# The Eurypterida of New York/Volume 2/Index

INDEX
Page numbers referring to descriptions of fossils are printed in black face type.
Abdomen, 59–68 Acerata, 147, 152 Adams, Frank D., acknowledgments to, 8; mentioned, 405 Adelophthalmus, see Eurypterus Agassiz, Alexander, cited, 14, 82, 348, 434 American Museum of Natural History, acknowledgments to, 7 Ami, cited, 357 Amiella ornata, 406 Anatomy, 23 Andes, 16 Anthraconectes, 17, 28, 69, 70, 94, 95, 111, 128, 134, 150, 159, 217, 218, 219–22, 425 mazonensis, 219, 426 See also Eurypterus Apus, 41, 112 Arachnida, 138, 147, 148, 149, 385 Argyroneta aquatica, 83 Artemia, 112 Arthrophycus cf. harlani, 419 Arthropoda, 397 Asaphus, 39 Australia, 95
Balfour, Francis M., cited, 143, 434 Banks, R. W., cited, 432 Barkentin, George S., illustrations by, 8 Barrande, Joachim, cited, 95, 433 Barrell, Joseph, cited, 110, 439 Bassler, R. S., acknowledgments to, 7 Beecher, C. E., cited, 17, 19, 49, 81, 90, 120, 147, 148, 152, 278, 279, 282, 284, 292, 311, 438 Belgium, 95 Belisarius xambeui, 400 Beltina danai, 85, 385–86 Bembycosoma, 18, 132 Bennett, Lewis J., collection, 6, 10; mentioned, 101 Bernard, H. M., cited, 137, 148, 437 Bertie, 10 Bertie waterlime, 10, 20, 32, 89, 91, 92, 93, 95, 101, 108, 113, 161, 172, 180, 430 Beyrichia, 100 Bibliography, 432–39 Billings, cited, 350, 356 Billingsley, mentioned, 87 Bionomic relations, 85–113 Bishop, Irving P., acknowledgments to, 8; cited, 437 Bohemia, 95 Brachiospongia tuberculata, 325 Brauer, Aug., cited, 57, 143, 144, 145, 437 Braun, Fred, acknowledgments to, 8; mentioned, 9, 10 Brayman shale, 99 Breger, С. L., cited, 438 Brodie, P. В., cited, 433 Buffalo, 6, 15, 16, 105, 108, 114 Buffalo Cement Company, 10 Buffalo cement quarries, specimens from, 6 Buffalo pool, 10, 92, 93 Buffalo Society of Natural Sciences, acknowledgments to, 7 Buffalo waterlime, analysis of, 101 Bunodes, 20, 112 Buthus, 393 australis, figure, 142, 399
Callinectes hastatus, 49, 75 figures, 52, 119 Calymmene blumenbachi, 99
Cambridge Natural History, 439 Camillus shale, 91, 93, 106 Canada, Geological Survey, acknowledgments to, 8 Carapace, 30 Carcinosoma, 18, 228, 229 ingens, 228, 229, 245, 247 figure, 246 newlini, 229, 245, 247, 300 Carcinus moenus, 75 Catskill, 411 Catskill beds, 16, 19, 89, 94, 110; of Pennsylvania, 16 Cayuga county, 87, 89, 92 Cephalaspis, 84, 357 Cephalopods, 99 Cephalothorax, 30; appendages of, 42 Ceratiocaris, 20, 349, 379 grandis, 16, 379 figure, 379 Ceraurus miseneri, 325 Chadwick, G. H., cited, 411 Chamberlin, Т. С., cited, 96, 97, 113, 438 Chelicerae, 43, 408 Chemung beds, 17, 89, 94 Chonetes, 100 Clarke, J. M., cited, 17, 10, 20, 39, 43, 81, 93, 94, 104, no, 168, 200, 279, 292, 311, 334, 350, 357, 435, 436, 438, 439 Claus, cited, 139 Claypole, E. W., cited, 16, 18, 228, 245, 292, 435, 436, 437 Clayville, 9 Ciimacograptus bicornis, 412 var. peltifer, 412 typicalis, 11 Climactichnites, 85, 86 Clinton beds, 18, 19, 87, 93, 160 Cobleskill formation, 93, 101, 107 Columbia University, acknowledgments to, 8 Conocephalites, 34 Conularia, 99 Corycephalus, 291 Crustacea, 147, 385; relationship of the eurypterids to, 148 Cryptograptus tricornis, 412 Ctenopterus, 30, 50, 130, 151, 260, 287, 288, 297, 313, 321 See also Stylonurus Cumings, cited, 99 Cyrtoceras, 325
Dalmanites, 291 breviceps, 325 Dawson, Sir William, cited, 18, 85, 86, 113, 350, 357, 433, 436 DeKay, James E., cited, 13, 155, 227, 432 Delaware county, 89 Delaware Water Gap, 417 De Lima. W., cited, 96, 436 Delobranchiata, 137 Dendrocrinus casei, 325 Dicellograptus gurleyi, 412 Dinorthis subquadrata, 325 Dohrn, A., cited, 433 Dolichocephala lacoana, 16, 292 Dolichopterus, 15, 20, 28, 31, 35, 44, 49, 51, 55, 58, 65. 70, 76, 78, 80, 81, 83, 90, 128, 129, 132, 133, 149, 200, 212, 258–61, 262, 268, 270, 272, 321, 329, 384 s p., 261 breviceps, 414–15, 431 figure, 414 frankfortensis, 22, 86, 149, 261, 268–69, 431 laticeps, 261 latifrons, 22, 86, 149, 261, 269–70, 431 macrochirus, 15, 53, 65, 69, 89, 92, 149, 259, 260, 261, 262–68, 269, 272, 273, 275, 278, 322, 431 figure, 266 mansfieldi, 425
Dolichopterus otisius, 88, 149, 261, 270–72, 275, 418, 419, 431 siluriceps, 89, 92, 149, 228, 259, 261, 273–74, 431 stylonuroides, 88, 149, 259, 261, 275, 276–78, 431 testudineus, 89, 92, 149, 261, 274–76, 431 See also Eurypterus Drepanopterus, 18, 35, 44, 48, 49, 70, 76, 80, 81, 83, 94, 129, 132, 133, 134, 151, 207, 212, 261, 281, 282, 286, 287, 288, 300, 314–16, 318 lobatus, 207 longicaudatus, 87, 91, 151, 287, 316–20 pentlandicus, 207 figure, 315
Eastman, С R., cited, 84 Echinocaris, 18, 311 wrightiana, 311 Echinognathus, 129, 130, 149, 321–22, 328, 329, 384 clevelandi, 16, 21, 86, 98, 149, 287, 300, 321, 322–24, 328, 408, 431 Ectognaths, 51 Eichwald, cited, 171 Embolobranchiata, 137 Emmelezoe, 20 Encrinurus punctatus, 99 Endostoma, 56 Eoscorpioidae, 393 Eoscorpius, 391 Equisetides wrightiana, 311 wrightianus, 18 Erettopterus, 69, 70, 76, 128, 129, 130, 350, 376, 377, 379, 384. 410, 419 See also Pterygotus Eria, 95 Erie county, 80, 92 Etheridge, R., jr, cited, 217, 221, 434 Eurypterella, 150 ornata, 17, 89, 93, 150 Eurypterida, history of investigations, 13–22; relationship with Limulus, 14, 18, 19, 135; morphology, anatomy and terminology, 23–71; diagram of, 24; mode of life, 71–85; geological distribution and bionomic relations, 85–113, 431; biologic facies, 90–94; ontogeny, 113–23; phylogeny, 124–35; taxonomic relations, 135–49; resemblance to scorpions, 141; relationship to Crustacea, 148; possible ancestors of the earliest vertebrates, 149; synoptic table, 149–52; systematic account, 152–410; suborder Limulava, 406, 407 Eurypteridae, 130, 149, 152 Eurypterus, 17, 18, 20, 21, 23, 29, 30, 31, 32, 33, 34, 35, 36, 40, 41, 42, 43, 44, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 65, 66, 67, 68, 69, 70, 76, 77, 78, 79, 80, 81, 90, 91, 94, 95, 100, 101, 105, 106, 113, 117, 119, 120, 124, 125, 126, 127, 128, 129, 132, 143, 149, 155–61, 181, 182, 183, 192, 198, 199, 200, 204, 207, 209, 212, 214, 215, 217, 219, 221, 222, 227, 232, 233, 239, 240, 259, 260, 261, 265, 272, 285, 286, 288, 299, 300, 316, 322, 329, 330, 331, 332, 333, 334, 339, 340, 349, 363, 366, 384, 401, 404, 405 figures, 58, 62, 403 sp., 87 acrocephalus, 230 approximatus, 18, 90, 94, 149, 155, 161, 195–96, 221, 222, 431 figure, 222 beecheri, 17, 310 (Tylopterus) boylei, 17, 87, 98, 150, 155, 158, 159, 161, 216, 218, 431 figure, 217 brewsteri, 158, 195 cestrotus, 288
Eurypterus chadwicki, 413, 431 cicerops, 253 clevelandi, 322 dekayi, 15, 69, 89, 149, 155, 158, 161, 181–84, 210, 321, 329, 431 douvillei, 112 eriensis, 16, 192, 193, 195 fischeri, 14, 17, 18, 19, 28, 29, 35, 48, 51, 54, 61, 63, 71, 79, 95, 156, 158, 164, 166, 171, 172, 173, 174, 182, 183, 198, 214, 330, 367, 368, 408 figures, 25, 54, 57, 58, 62, 67, 157 giganteus, 16, 201, 205 figure, 201 (Adelophthalmus) granosus, 111 hibernicus, 401 (Onychopterus) kokomoensis, 53, 68, 87, 132, 133, 150, 155, 158, 160, 211, 212–18, 216, 333, 431 lacustris, 13 15, 27, 28, 34, 43, 48, 63, 89, 92, 114, 116, 118, 149, 155, 156, 158, 159, 161, 171, 172, 173–78, 179, 180, 181, 182, 183, 199, 210, 273, 431 figures, 62, 176 var. pachychirus, 89, 92, 150, 158, 161, 175, 178, 179–80, 183, 431 var. robustus, 15, 178 lanceolatus, 95, 331 laticeps, 172, 261 (Anthraconectes) mansfieldi, 17, 90, 150, 155, 161, 207, 221, 222, 425–27, 431 figures, 220, 426 maria, 79, 83, 87, 114, 116, 117, 118, 132, 150, 155, 158, 161, 184–91, 196, 201, 255, 300, 332, 374, 418, 419, 431 figure, 190 (Anthraconectes) mazonensis, 17, 90, 150, 155, 161, 207, 219, 221, 222, 223–26, 431 figure, 224 Eurypterus megalops, 22, 86, 120, 150, 156, 160, 191–92, 431 microphthalmus, 15, 28, 89, 93, 101, 150, 155, 158, 161, 163, 192–96, 431 minor, 132 myops, 300 obesus, 229 pachychirus, 15, 155, 179 pennsylvanicus, 17, 90, 150, 155, 161, 221, 427–28, 431 pittsfordensis, 20, 26, 28, 80, 87, 150, 155, 158, 161, 172, 196–99, 204, 300, 431 potens, 90, 150, 155, 161, 221, 425, 427 pristinus, 22, 86, 150, 156, 160, 207–8, 431 (Dolichopterus?) prominens, 18, 87, 98, 120, 150, 155, 158, 159, 160, 200–1, 431 figure, 200 pulicaris, 89, 93, 150, 156 punctatus, 228, 229, 300, 328, 401 pustulosus, 15, 25, 89, 92, 150, 155, 158, 161, 201–7, 329, 359, 431 pygmaeus, 132, 190 ranilarva, 87, 150, 155, 160, 208–11, 431 remipes, 13, 15, 27, 28, 32, 34, 43, 48, 54, 61, 63, 83, 88, 89, 92, 93, 95, 114, 116, 117, 118, 126, 149, 155, 156, 157, 158, 159, 161–73, 174, 175, 176, 177, 178, 181, 183, 195, 200, 214, 216, 231, 273, 333, 356, 431 figures, 13, 168 robustus, 155 scabrosus, 217, 221, 286 scorpioides, 44, 94, 157, 228, 229, 300 scoticus, 230, 285, 300 scouleri, 27, 112, 221 siluriceps, 273 simonsoni, 230 (Dolichopterus) stellatus, 22, 86, 150, 156, 160, 211–12, 431
Eurypterus stevensoni, 217 figure, 221 stylus, 90, 150, 155, 161, 221, 425 Eurysoma, 18, 228 newlini, 228, 245 figure, 246 Eusarcus, 18, 20, 21, 23, 28, 30, 31, 35, 40, 41, 42, 43, 44, 50, 51, 55, 58, 59, 64, 67, 68, 70, 76, 77, 78, 90, 94, 116, 120, 126, 127, 128, 129, 135, 150, 226–33, 257, 260, 329, 384, 399, 400, 402, 420 acrocephalus, 231 cicerops, 87, 115, 116, 123, 150, 253–57, 424, 431 giganteus, 231 grandis, 15, 233 ingens, 231, 247, 249, 252 linguatus, 413–14', 416, 425, 431 figure, 414 longiceps, 22, 86, 150, 231, 257, 431 nasutus, 424 newlini, 69, 87, 150, 231, 245–53, 431 table of measurements, 252 obesus, 231, 232 figure, 230 punctatus, 231 figure, 230 raniceps, 231 scorpioides, 230, 231, 232, 399 scorpionis, 15, 16, 26, 44, 89, 92, 114, 115, 116, 150, 226, 228, 230, 231, 233–44, 248, 249, 251, 253, 258, 273, 300, 372, 300, 420, 421, 425, 431 figures, 237, 238, 239, 240, 241 table of measurements, 243 scoticus, 231, 321 simonsoni, 231 triangulatus, 22, 86, 150, 231, 258, 431 vaningeni, 414, 420–25, 431 figures, 422, 423 See also Pterygotus Explanation of plates, 441–616 Eyes, 35
Fletcher, cited, 357 Foerste, August F., acknowledgments to, 8; cited, 324; description of Megalograptus welchi, 325–29 Fowler, H. W., cited, 74, 439 Fraipont, J., cited, 436 Frankfort shale, 6, 10, 21, 86, 90, 93, 98, 99, 100, 120, 132, 160, 231 Frech, cited, 111 Fritsch, Anton, cited, 142, 143, 222, 388, 390, 392, 394, 396, 397, 398, 438, 439
Galicia, 95, 97 Gaskell, W. H., cited, 27, 57, 61, 66, 126, 149, 436, 439 Gaspé sandstone, 93 Gastropods, 99 Gaurocrinus onealli, 325 Geikie, cited, in Genesee county, 89 Geologic distribution of eurypterids, 85–113, 431 Girty, cited, 111 Glyptocrinus fornshelli, 325 richardsoni, 325 Glyptoscorpius, 141, 222, 314 Gomphoceras, 99 eos, 325 Grabau, A. W., acknowledgments to, 8; cited, 99 Great Britain, 95, 99, 100 Grenacher, cited, 42 Grote, A. R., cited, 15, 91, 227, 228, 349, 359, 362, 372, 434 Guelph dolomite, 17, 87, 91, 93, 106, 109, 161 Gurley, W. F. E., cited, 18, 437
Gyroceras baeri, 325
Hall, C. E., cited, 17, 425, 434 Hall, James, cited, 5, 14, 16, 17, 34, 43, 51, 53, 56, 81, 85, 91, 135, 155, 156, 164, 168, 170, 176, 177, 178, 179, 183, 200, 201, 219. 223, 258, 262, 265, 266, 267, 268, 292, 311, 312, 322, 349, 353, 356, 359, 371, 372, 425, 432, 435; mentioned, 245 Harlan, R., cited, 13, 432 Harpes, 119, 121, 122 Harpides, 34 Hartnagel, C. A., cited, 91, 101, 106, 421, 429, 438; mentioned, 10 Hastimima, 400–6 whitei, 400, 405, 406 figures, 401, 403 Hebertella insculpta, 325 Hemiaspidae, 112 Hemiaspis, 112 Henshaw, Samuel, acknowledgments to, 8 Herkimer county, 6, 89, 91, 92 Herkimer pool, 9 Hitchcock, C. H., cited, 85, 439 Holland Patent, 16 Holm, G., cited, 5, 18, 19, 29, 31, 35, 36, 43, 48, 49, 51, 54, 56, 61, 62, 66, 67, 68, 71, 79, 95, 125, 135, 156, 157, 158, 165, 166, 167, 198, 239, 259, 260, 261, 262, 330, 332, 368, 437 Hovey, E. O., acknowledgments to, 7; mentioned, 388 Howland, Henry R., acknowledgments to, 7 Hughmilleria, 20, 21, 23, 31, 36, 44, 47, 48, 51, 54, 55, 58, 63, 64, 65, 68, 69, 70, 76, 77, 83, 88, 90, 91, 94, 113, 116, 117, 118, 120, 122, 124, 127, 128, 129, 130, 151, 329–34, 366, 381, 419; ventral surface of the cephalothorax, 428–29 magna, 22, 86, 151, 341–42, 431 pittsfordensis, figure, 428 Hughmilleria shawangunk, 36, 83, 88, 115, 117, 118, 151, 332, 334, 342–48, 418, 419, 431 socialis, 20, 36, 54, 87, 151, 157, 330, 331, 335–40, 342, 344, 345, 381, 431 var. robusta, 20, 87, 151, 340–41, 431 Huxley, T. H., cited, 14, 36, 45, 55, 63, 75, 348, 350, 379, 432 Hyde, Jesse E., acknowledgments to, 8; mentioned, 87
Ilionia, see Lucina Illinois, 95 Indian Ladder beds, 100 Indiana, 87, 90 Integument, 23–25
Jaekel, cited, 34 Jerusalem hill, 9, 114 Jones, cited, 18, 311
Kayser, cited, 94, 110 Kemp, cited, 107, 109 Kindle, E. M., acknowledgments to, 8; cited, 90, 438 Kingsley, J. S., cited, 136, 137, 138, 436, 437 Kishinouve, cited, 57, 436 Kokomo, Indiana, 228, 229, 248 Kokomo cement beds, 91, 99, 100, 101 Kokomo waterlime, 18, 20, 94, 160
Lankester, E. R., cited, 18, 136, 137, 139, 140, 141, 434 Laurie, M., cited. 18, 44, 46, 47, 50, 52, 54, 56, 61, 63, 64, 65, 67, 71, 76, 81, 84, 94, 120, 124, 125, 126, 127, 128, 132, 134, 135, 136, 139, 140, 141, 143, 148, 157, 230, 260, 280, 282, 285, 314, 316, 318, 321, 333, 349, 350, 397, 398, 436, 437 Leperditia, 99, 100 scalaris, 180 Limulava, 406, 407, 408, 409, 410
Limulus, 23, 25, 26, 27, 29, 30, 33, 34, 35, 39, 42, 43, 44, 47. 48, 50, 51, 54, 56, 57, 60, 61, 62, 66, 70, 71, 76, 77, 79, 82, 85, 105, 113, 118, 119, 120, 121, 122, 123, 125, 127, 128, 135, 136, 137, 138, 139, 140, 141, 143, 144, 145, 146, 147, 149, 172, 173, 304, 305, 306, 308, 350, 366, 394, 398, 410; figures, 121; account of habits, 72; homology of lateral eye in, 36; longitudinal section, 33; relations of eurypterids to, 14, 18, 19, 135; transverse section through the head, 32 longispina, 57 polyphemus, 157, 377 figure, 43 walchi, 34 Lindström, G., cited, 136, 143, 397, 400, 435 Lingula, 99, 106, 111 Livingston county, 108 Livonia salt shaft, 108 Lloyd, W. A., cited, 72, 73 Lockport limestone, 87, 421 Lockport-Noblesville formation, 93 Lockwood, Rev. S., cited, 72 Logan, Sir William, cited, 85, 350, 356, 433 Lucina (Ilionia) prisca, 100 Ludlow beds of Scotland, 16 Luther, D. D., mentioned, 9, 10, 108 Lyell, cited, 107
McCoy, F., cited, 95, 432, 437 McMurrich, J. P., cited, 61 Macrochirus kämpferi, 45 Macrura, 410 Madison county, 89 Manlius limestone, 19, 89, 93, 101, 161 Mansfield, J. F., cited, 434 Martin, D. S., mentioned, 16; cited 434 Martin, J. C., mentioned, 417 Maryland, 87, 88 Matthew, G. F., cited 17, 436 Matuta, 75 Medina-Richmond shales, 93 Meek, cited, 17, 219, 222, 223, 225, 433 Megalograptus, 130, 151, 324, 384 welchi, 21, 87, 98, 151, 324, 325–29, 431 Meristina didyma, 100 Merostomata, 82, 136, 137, 138, 147, 148, 149, 152, 348, 385, 386, 407 Mesonacidae, 128 Mesonacis, 128 Metastoma, 56, 68–71 Metschnikoff, cited, 143, 144 Miller, Hugh, cited, 107 Missouri, 85 Mitchill, S. L., cited, 13, 432 Mohawk valley, 6, 99 Monroe county, 6, 20, 87 Monroe limestone, 89 Montana, 85, 98 Morganville, 32 Morphology, 23 Museum of Comparative Zoology, acknowledgments to, 8
Neolimulus, 112 New Brunswick, 89, 93, 94, 95 Newberry, J. S., mentioned, 273 Newlin, mentioned, 245 Niagaran, 103 Nicholson, H. A., cited, 436 Nieszkowski, J. cited, 14, 17, 19, 26, 31, 135, 155, 156, 432 Normanskill beds, 420; eurypterids from, 411–17 Nova Scotia, 87, 95
Ochsenius, cited, 107 Odontocephalus, 291 Oesel beds, 95, 97, 99, 100, 102 Ohio, 87, 89
Old Red sandstones, 110 Olenellus, 128 Oneida county, 86, 89 Onondaga county, 89 Ontario, 87, 92 Ontogeny, 113–23 Onychopterus, 133, 150, 159, 212 kokomoensis, 91 See also Eurypterus Orange county, 6, 87, 105 Orbiculoidea, 99, 111 Oriskany creek, 421 Orthis clegantula, 100 Orthoceras, 99 Orthothetes interstriata, 180 Osborn, A. O., mentioned, 387 Ostracophora, 84 Otisville, 6, 49, 83, 84, 87, 104, 113, 124, 132, 168, 169, 417 Otisville basin, 8 Otsego county, 89 Owen, R., cited, 33, 72, 433
Packard, A. S., cited, 40, 120, 136, 433, 434, 435 Paedeumias, 128 Page, D., cited, 278, 432 Palaeophonoidae, 393 Palaeophonus, 141, 142, 143, 147, 387, 394, 396, 398, 399, 400 hunteri, 142, 143, 397 figure, 395 loudonensis, 397 nuncius, 143, 147, 301, 394, 397, 400 figures, 142, 395, 399 osborni, 387 Paradoxides, 122 Parker, G. H., cited, 41 Patten, W., cited, 35, 54, 82, 85, 86, 149, 436, 437, 438, 439 Paulmier, cited, 75 Peach, B. N., cited, 143, 314, 397, 434, 439 Pedipalpi, 141, 142 Penhallow, D. P., cited, 113, 436 Pennsylvania, 87, 88, 89, 90, 94, 95, 111 Peter Redpath Museum, acknowledgments to, 8 Phacops rana, 39 Phrynus, 66 Phyllocardia (Echinocaris), 311 Phylogeny of eurypterids, 124–35 Pitt, W. H., cited, 15, 91, 228, 349, 359, 362, 372, 434 Pittsford, 6, 105; section in old Erie canal, 102 Pittsford pool, 9 Pittsford shale, 20, 87, 91, 102, 106, 110, 161, 421 Pittsford-Shawangunk, 93 Plates, explanations of, 441–616 Platyonichus ocellatus, 51, 71, 75 oculosus, 72 Plectatnbonites sericeus, 325 Pocock, R. T., cited, 57, 142, 143, 388, 390, 394, 397, 398, 399, 438 Podolia, 95, 97 Poecilopoda, 147 Pohlman, Julius, cited, 16, 91, 108, 201, 202, 227, 349, 359, 360, 363, 379, 434, 435 Pores of doublures, 29 Portage beds, 18, 19, 89, 94 Portugal, 96 Portunidae, 75 Portunus, 75 Postabdomen, 68–71 Postoral appendages, 48 Potonié, cited, 111 Potosi limestone, 90 Potsdam rocks, 85 Proscorpionini, 388, 393 Proscorpius, 387, 394, 396, 398, 399 osborni, 143, 387–400 figures, 389 Prothelyphonus bohemicus, 142
Protichnites, 85 Protolimulus eriensis, 140 figure, 140 Pseudoniscus, 20, 112 Pteraspis, 84, 357 (Palaeaspis) americana, 97 Pterichthys, 82 Pterinea, 99 subplana, 99 Pterygotidae, 129, 151, 329; fragments, figures, 417 Pterygotus, 14, 15, 17, 18, 20, 21, 23, 26, 27, 29, 31, 35, 36, 44, 50, 51, 55, 58, 59, 60, 61, 63, 64, 65, 67, 69, 70, 71, 76, 77, 82, 83, 88, 90, 91, 93, 95, 113, 114, 116, 117, 120, 124, 125, 126, 127, 128, 129, 130, 135, 142, 151, 157, 173, 202, 204, 233, 234, 243, 260, 261, 265, 272, 275, 284, 300, 314, 321, 329, 330, 331, 332, 333, 334, 339, 348–50, 357, 359, 366, 372, 374, 375, 376, 377, 379, 381, 383, 384, 401, 406, 419, 429; homology of lateral eye in, 36; morphology and formation of the chelicerae, 44; disjecta membra from the Frankfort shale, 383 sp., 89, 356, 358, 380 acuticaudatus, 16, 358, 359, 360, 362 anglicus, 46, 61, 63, 71, 95, 127, 204, 333, 348, 352, 356, 358, 364, 370, 372, 373, 383 figure, 348 atlanticus, 89, 151, 350, 356–58, 431 (Erettopterus) banksii, 330, 331, 376, 379, 381 barrandei, 373 figure, 373 (Erettopterus) bilobus, 16, 36, 46, 61, 63, 331, 333, 348, 350, 358, 360, 362, 364, 373, 376, 380 figure, 361 Pterygotus bohemicus, 373 buflaloensis, 16, 29, 30, 36, 38, 44, 46, 56, 89, 92, 117, 118, 151, 202, 204, 233, 241, 349, 353, 354, 358–71, 372, 373, 429, 430, 431 figures, 360, 366 chelicera, 385 cobbi, 15, 89, 92, 151, 349, 353, 359, 362, 364, 370, 371–74, 380, 381, 431 var. juvenis, 429–30, 431 figures, 429, 430 cummingsi, 15, 358, 359, 362, 371, 372 figure, 360 globicaudatus, 16, 201, 202, 204, 205, 359 figures, 202, 203 (Erettopterus) globiceps, 88, 115, 117, 123, 151, 349, 350, 374–78, 418, 419, 431 grandis, 89, 92, 151, 349, 350, 379–80, 431 ludensis, 113 macrocephalus, 359 macrophthalmus, 15, 36, 44, 46, 56, 89, 92, 114, 115, 117, 152, 333, 349, 350–56, 358, 362, 363, 364, 370, 371, 372, 373, 376, 380, 381, 429, 430, 431 minor, 406 monroensis, 20, 87, 152, 349, 380–81, 431 (Eusarcus) nasutus, 22, 86, 152, 349, 382, 412, 414, 416, 431 figures, 416 normanskillensis, 416–17, 431 figure, 416 osborni, 15, 331, 349, 350, 353, 354, 355, 359 osiliensis, 17, 46, 63, 64, 262, 333, 348, 352, 353, 356, 364, 366 otisius, 270 prolificus, 22, 86, 152, 349, 382–83, 384, 431
Pterygotus quadraticaudatus, 16, 204, 358, 359, 360, 362, 363 figures, 361 raniceps, 228, 229, 331 Pterygotus-Slimonia group, 383, 409
Quebec, 94
Rathbun, Mary J., cited, 75 Raymond, Percy E., acknowledgments to, 8 Redenbaugh, W. A., cited, 438 Reed, Mark E., acknowledgments to, 8 Retsof salt shaft, 108 Rochester formation, 93 Roemer, Ferd., cited, 432, 433 Rondout waterlime, 89, 93, 101 Ruedemann, Rudolf, acknowledgments to, 7; mentioned, 6, 8, 10; cited, 438 Russia, 99
Salina formation, 9, 15, 20, 99, 100, 102, 103, 105, 106, 107–11, 420 Salt formation, 93 Salter, J. W., cited, 14, 36, 45, 55, 63, 75, 95, 156, 331, 348, 350, 379, 405, 432, 433 Sarle, C. J., cited, 44, 65, 91, 102, 157, 297, 300, 329, 330, 331, 332, 333, 334, 335, 340, 380, 381, 438; mentioned, 6, 9, 20 Sauquoit, 9 Scales, 25–29 Schenectady, 84 Schenectady basin, 10 Schenectady county, 86, 90 Schenectady formation, 10, 411, 420 Schmidt, Fr., cited, 14, 17, 19, 29, 31, 45, 46, 47, 48, 56, 60, 61, 62, 64, 95, 135, 156, 157, 158, 171, 230, 231, 262, 348, 352, 435, 436, 438 Schneider, Philip F., mentioned, 194 Schoharie county, 86, 90 Schuchert, C., cited, 88, 91, 100, 438 Scorpio, 61, 66, 140, 141, 143 Scorpionidae, 125, 140 Scorpions, 125, 127, 147; embryology, 143; figures, 144, 145; relations to Merostomes, 137 Scottish faunas, 18, 84, 94 Scudder, S. H., cited, 387, 390, 393, 394, 395, 396, 435 Seemann, Fr., cited, 95, 438 Selaginites, 357 Semper, M., cited, 95, 230, 437 Seneca county, 89 Serrations and spines, 30 Seward, A. C., cited, 400, 439 Shawangunk grit, 6, 8, 20, 87, 88, 91, 93, 102, 105, 113, 161, 255, 257; age, 419; in Pennsylvania, eurypterids from, 417–20 Shawangunk series, section of, 104 Sidneyia inexpectans, 406–7 Siluric waterlime, 16 Silurus, defined, 273 Simpson, cited, 111 Slimonia, 18, 20, 23, 31, 36, 42, 44, 47, 51, 54, 55, 56, 58, 61, 64, 65, 67, 70, 71, 76, 77, 94, 120, 126, 128, 129, 130, 157, 272, 300, 330, 334, 383, 408 acuminata, 61 figures, 64, 131 Smith, Charles, mentioned, 245 Smithsonian Institution, acknowledgments to, 7 South Africa, 95 South America, 95 Sphenophyllum thorni, 112 Sphenothallus, 99 Spines, 30 Spirifer, 100 vanuxemi, 194
Spirorbis, 111 Strabops, 31, 35, 68, 69, 86, 119, 120, 122, 123, 124, 125, 126, 127, 128, 129, 130, 140, 148, 151, 152, 186, 322, 410 thacheri, 19, 85, 98, 124, 151, '152–55, 431 figure, 153 Strabops stage, 123, 124 Strauss-Durkheim, cited, 136 Streptelasma rusticum, 325 Stylonurus (Ctenopterus) 18, 20, 21, 23, 30, 31, 33, 34, 35, 43, 44, 48, 49, 50, 51, 58, 59, 65, 69, 70, 76, 80, 81, 83, 84, 88, 90, 94, 110, 113, 116, 120, 126, 128, 129, 130, 132, 133, 134, 151, 212, 230, 259, 260, 261, 262, 278–88, 286, 297, 300, 312, 316, 318, 321, 322, 329, 384 sp., 18, 88, 151, 312–14, 419 beecheri, 89, 94, 151, 288, 292, 310–11, 431 figure, 310 bembycoides, 288 cestrotus, 33, 49, 88, 151, 279, 280, 282, 284, 285, 286, 287, 288–91, 292, 294, 297, 312, 314, 431 elegans, 50, 279, 280, 282, 285, 286, 287 figure, 280 ensiformis, 288 excelsior, 16, 17, 19, 43, 81, 89, 94, 95, 113, 134, 151, 278, 279, 282, 284, 285, 286, 287, 288, 291, 292–95, 306, 313, 378, 408, 431 figures, 293, 294 lacoanus, 19, 292 limbatus, 22, 86, 151, 288, 295–97, 431 lobatus, 288 logani, 50, 278, 279, 282, 284, 285, 286, 287, 292 figure, 281 Stylonurus longicaudatus, 288, 431 macrophthalmus, 278, 279, 280, 282, 285, 286, 287, 318 figure, 283 megalops, 288, 295, 302 modestus, 415, 431 figure, 415 multispinosus, 20, 87, 151, 286, 287, 297–300, 431 myops, 34, 88, 116, 117, 118, 119, 123, 136, 151, 260, 288, 295, 296, 300–9, 312, 313, 418, 419, 431 ornatus, 282, 286, 287 pentlandicus, 288 powriei, 278, 279, 280, 287, 292, 302 figure, 348 scabrosus, 287 scoticus, 50, 70, 279, 285, 287, 295, 302, 303, 3l3 simonsoni, 230 symondsi, 278, 288 wrightiana, 311 wrightianus, 89, 94, 311–12, 431 figures, 312 Swimming feet, 71 Swimming legs, 51
Table of Eurypterida, 149–52 Tail, 68–71 Tarsopterus, 287 Taxonomic relations of eurypterids, 135–49 Terminology, 23 Thelypbonidae, 125 Thelyphonus, 61, 62, 66, 141, 142 Thorell, T., cited, 136, 138, 143, 388, 390, 391, 393, 394, 397, 400, 435 Triartbrus becki, 11 Trilobites, 147, 148 Twenhofel, W. H., cited, 439
Tylopterus, 150, 216–18 boylei, 217, 218–19 See also Eurypterus
Ulrich, E. O., acknowledgments to, 7; cited, 324; mentioned, 87 United States National Museum, acknowledgments to, 7 Utica shale, 86, 93
Van Beneden, M. E., cited, 434 Van Deloo, Jacob, mentioned, 10 van Ingen, Gilbert, acknowledgments to, 8; cited, 417, 419, 420 Vernon shale, 91, 93, 106, 421 von Alth, cited, 95, 434 von Beneden, cited, 136 von Koenen, cited, 107 von Reichenbach, E. Stromer, cited, 439 von Siemiradzki, Jos., cited, 438
Walchia pinniformis, 112 Walcott, Charles D., acknowledgments to, 7; cited, 82, 98, 128, 287, 321, 324, 385, 386, 406, 410, 434, 435, 438, 439; mentioned, 16 Walther, Joh., cited, 110, 113, 438 Wardell, H. C., mentioned, 8, 9, 10 Warren, Pa., 17 Watase, S., cited, 40, 41, 42, 135, 436 Waterville, 9 Waverly beds, 18, 90, 94, 161 Welch, L. B., mentioned, 326 Weller, Stuart, acknowledgments to, 8; mentioned, 425 Westmoreland, 13 White, David, acknowledgments to, 7; cited, 400, 401, 402, 405, 439 Whiteaves, J. T., cited, 17, 94, 216, 350, 357, 435 Whitfield, R. P., acknowledgments to, 7; cited, 223, 262, 356, 387, 388, 390, 391, 392, 393, 394, 395, 396, 397, 398, 412, 434, 435, 437; mentioned, 16, 194 Williams, H. S., cited, 435 Wilsonia kokomoensis, 99 Woods, cited, 141 Woodward, Henry, cited, 15, 17, 18, 36, 44, 45, 46, 49. 61, 62, 63, 64, 65, 67, 71, 76, 81, 111, 113, 135, 136, 156, 217, 221, 227, 228, 229, 278, 279, 280, 282, 284, 286, 311, 328, 331, 348, 352, 363, 370, 376, 400, 433, 435, 437, 438, 439 Woodward, Smith, cited, 357 Woodworth, cited, 85, 86 Worthen, cited, 17, 219, 222, 223, 225, 433
Xiphosura, 147, 407
Yates county, 18, 89
Zittel, cited, 19, 44, 47, 96, 168, 169, 228, 387