# Diatomaceae of Philadelphia/Plates2

PLATE 11
| Fig. | | Page |
| SYNEDRA—Continued |||
| 1-5-6 | Synedra ulna (Nitzsch) Ehr. Sporangial | 47 |
| 2 | Synedra danica Kuetz. | 48 |
| 3 | Synedra biceps (Kuetz.) A. S. | 48 |
| 4-7-11 | Synedra ulna (Nitzsch) Ehr. | 47 |
| 8 | Synedra capitata Ehr. | 48 |
| 9-18 | Synedra acus Kuetz. | 48 |
| 10 | Synedra fulgens (Grev.) Wm. Sm. | 50 |
| 12-13 | Synedra goulardi Bréb. | 48 |
| 14-15-16 | Synedra pulchella (Ralfs) Kuetz. | 48 |
| 17 | Synedra pulchella var. abnormis Macchiati? | 48 |
PLATE 12
| Fig. | | Page |
| SYNEDRA—Continued |||
| 1 | Synedra oxyrhynchus var. undulata Grun. | 48 |
| 2 | Synedra pulchella var. flexella n. var. | 49 |
| 3 | Synedra affinis Kuetz. | 50 |
| 4 | Synedra affinis var. tabulata (Ag.) V. H. | 50 |
| 5-6 | Synedra vaucheriæ var. parvula (Kuetz.) Rab. | 49 |
| 7 | Synedra affinis var. parva (Kuetz.) V. H. | 50 |
| 8 | Synedra radians (Kuetz.) H. L. S. | 49 |
| DIMEROGRAMMA |||
| 9-10 | Dimerogramma marinum (Greg.) | 46 |
| 11 | Dimerogramma surirella (Ehr.) Grun. | 46 |
| 12-13-14 | Dimerogramma minus (Greg.) Ralfs. | 47 |
| TRACHYSPHENIA |||
| 15 | Trachysphenia australis Petit. | 47 |
| ACTINELLA |||
| 16-17-18 | Actinella punctata Lewis. | 54 |
| ASTERIONELLA |||
| 19-20-21 | Asterionella formosa Hass. | 50 |
| 22 | Asterionella inflata Heib. | 50 |
| EUNOTIA |||
| 23 | Eunotia hemicyclus (Ehr.) Ralfs | 53 |
| 24-25 | Eunotia lunaris (Ehr.) Grun. | 53 |
PLATE 13
| Fig. | | Page |
| EUNOTIA—Continued |||
| 1-2 | Eunotia major (Wm. Sm.) Rab. | 51 |
| 3 | Eunotia gracilis (Ehr.) Rab. | 51 |
| 4 | Eunotia major (Wm. Sm.) Rab. (intermediate form) | 51 |
| 5 | Eunotia prærupta Ehr. | 53 |
| 6-7 | Eunotia pectinalis (Kuetz.) | 52 |
| 8-10 | Eunotia pectinalis var. undulata Ralfs | 52 |
| 9 | Eunotia pectinalis var. solierolii (Kuetz.) | 52 |
| 11 | Eunotia luna Ehr. var.? | 52 |
| 12 | Eunotia pectinalis var. ventricosa Grun. | 52 |
| 13 | Eunotia robusta Ralfs (E. scalaris Ehr.) | 53 |
| 14 | Eunotia robusta Ralfs (E. prioritis Ehr.) | 53 |
| 15 | Eunotia robusta Ralfs (E. decadon Ehr.) | 53 |
| 16 | Eunotia robusta Ralfs (E. octodon Ehr.) | 53 |
| 17-22 | Eunotia robusta Ralfs (E. heptodon Ehr.) | 53 |
| 18 | Eunotia bactriana Ehr. | 54 |
| 19 | Eunotia prærupta var. bidens Grun. | 53 |
| 20 | Eunotia bidentula Wm. Sm. | 54 |
| 21 | Eunotia robusta Ralfs (E. diadema Ehr.) | 53 |
| 23 | Eunotia prærupta Ehr. var.? | 53 |
| 24 | Eunotia robusta Ralfs (E. triodon Ehr.) | 53 |
| 25 | Eunotia robusta Ralfs (E. tetraodon Ehr.) | 53 |
| 26 | Eunotia formica Ehr. var.? | 54 |
| 27 | Eunotia biceps Ehr. | 53 |
| 28-29 | Eunotia sp.? | 54 |
| 30-31 | Eunotia veneris Kuetz. | 52 |
| 32 | Eunotia nymanniana Grun. | 51 |
PLATE 14
| Fig. | | Page |
| AMPHIPRORA |||
| 1-2 | Amphiprora pulchra Bail. | 68 |
| 3 | Amphiprora alata Kuetz. | 68 |
| 4 | Amphiprora conspicua Grev. | 68 |
| 5 | Amphiprora paludosa Wm. Sm. | 68 |
| 6-7 | Amphiprora ornata Bail. | 68 |
| TROPIDONEIS |||
| 8-9 | Tropidoneis lepidoptera (Greg.) Cleve. | 69 |
| SCOLIOTROPIS |||
| 10-11 | Scoliotropis latestriata var. amphora Cleve. | 69 |
PLATE 15
| Fig. | | Page |
| AMPHORA |||
| 1 | Amphora robusta Greg. | 65 |
| 3 | Amphora crassa Greg. | 65 |
| 4 | Amphora obtusa Greg. | 67 |
| 5-6-19 | Amphora proteus Greg. | 65 |
| 7 | Amphora ovalis (Bréb.) Kuetz. | 65 |
| 8-18 | Amphora coffæiformis (Ag.) Kuetz. | 66 |
| 9-10 | Amphora lineolata Ehr. | 66 |
| 11 | Amphora areolata Grun. | 66 |
| 12-21 | Amphora ostrearia Bréb. | 66 |
| 13 | Amphora lævis Greg. | 66 |
| 14-15 | Amphora ocellata var. cingulata Cleve. | 67 |
| 16 | Amphora angusta var. culensteinii Grun. | 67 |
| 17 | Amphora arenaria Donk. | 67 |
| 20 | Amphora acuta Greg. | 66 |
| AURICULA |||
| 2 | Auricula mucronata (H. L. Smith) Peragallo | 69 |
PLATE 16
| Fig. | | Page |
| ACHNANTHES |||
| 1-2 | Achnanthes longipes Ag. | 58 |
| 3 | Achnanthes brevipes Ag. | 59 |
| 4-5-6 | Achnanthes subsessilis Kuetz. | 59 |
| 7-8 | Achnanthes inflata (Kuetz.) Grun. | 59 |
| 9 | Achnanthes coarctata (Bréb.) Grun. | 59 |
| 10-11-12 | Achnanthes lanceolata (Bréb.) Grun. | 59 |
| 13 | Achnanthes danica (Floegel) Grun. (lower valve) | 60 |
| 14-15 | Achnanthes exigua Grun. | 59 |
| 16-17 | Achnanthes linearis forma curta H. L. Smith | 59 |
| COCCONEIS |||
| 18 | Cocconeis scutellum var.? | 57 |
| 19-20 | Cocconeis placentula Ehr. | 57 |
| 21 | Cocconeis scutellum Ehr. (upper valve) | 57 |
| 22 | Cocconeis dirupta Greg. (lower valve) | 58 |
| 23-24 | Cocconeis pediculus Ehr. | 57 |
| 25-26 | Cocconeis pellucida Grun. | 58 |
| 27-28 | Cocconeis scutellum var. ornata Grun. | 57 |
| 29 | Cocconeis placentula var. lineata (Ehr.) V. H. | 58 |
| ANORTHONEIS |||
| 30-31 | Anorthoneis excentrica (Donk.) Grun. | 56 |
PLATE 17
| Fig. | | Page |
| FRUSTULIA |||
| 1 | Frustulia lewisiana (Grev.) De Toni | 77 |
| 2 | Frustulia rhomboides (Ehr.) De Toni | 77 |
| 3 | Frustulia rhomboides var. amphipleuroides Grun. | 77 |
| 4 | Frustulia vulgaris (Thwaites) De Toni | 77 |
| 5 | Frustulia interposita (Lewis) De Toni | 78 |
| 6 | Frustulia rhomboides var. saxonica (Rab.) De Toni | 77 |
| BREBISSONIA |||
| 7 | Brébissonia bœckii (Kuetz.) Grun. | 79 |
| 8 | Brébissonia palmerii n. sp. | 80 |
| AMPHIPLEURA |||
| 9 | Amphipleura pellucida Kuetz. | 78 |
| 10-11 | Amphipleura rutilans (Trentepohl) Cl. | 78 |
| ANOMŒONEIS |||
| 12 | Anomœoneis serians (Bréb.) Cl. | 80 |
| 13 | Anomœoneis serians forma minor | 80 |
| 14 | Anomœoneis follis (Ehr.) Cl. | 80 |
| TRACHYNEIS |||
| 15 | Trachyneis aspera var. intermedia Grun. | 70 |
| MASTOGLOIA |||
| 16 | Mastogloia kinsmanii Lewis | 87 |
| 17 | Mastogloia angulata Lewis | 87 |
| 18 | Mastogloia lanceolata Thwaites | 87 |
| 19 | Mastogloia smithii Thwaites | 87 |
| 20 | Mastogloia elegans Lewis | 87 |
| 21-22-23 | Mastogloia apiculata Wm. Sm. | 87 |
| 24 | Mastogloia exigua Lewis | 87 |
PLATE 18
| Fig. | | Page |
| CYMBELLA |||
| 1 | Cymbella aspera (Ehr.) Cl. | 61 |
| 2 | Cymbella cymbiformis (Kuetz.) Bréb. | 62 |
| 3 | Cymbella cistula (Hempr.) Kirchn. | 62 |
| 4 | Cymbella lanceolata (Ehr.) Kirchn. | 62 |
| 5 | Cymbella mexicana (Ehr.) A. S. | 62 |
| 6 | Cymbella naviculiformis Auerswald. | 60 |
| 7 | Cymbella tumida (Bréb.) V. H. | 62 |
| 8 | Cymbella philadelphica n. sp. | 63 |
| 9 | Cymbella ehrenbergii Kuetz. | 60 |
| 10 | Cymbella heteropleura (Ehr.) Kuetz. | 60 |
| 11 | Cymbella rhomboidea n. sp. | 63 |
| 12 | Cymbella turgida (Greg.) Cl. var.? | 63 |
| 13 | Cymbella sinuata Greg. | 61 |
| 14 | Cymbella ventricosa Kuetz. | 62 |
| 15-19 | Cymbella excisa (Kuetz.) De Toni. | 61 |
| 16 | Cymbella amphicephala Nægeli. | 61 |
| 17 | Cymbella cuspidata Kuetz. | 60 |
| 18 | Cymbella affinis Kuetz. | 61 |
| 20 | Cymbella gracilis (Rab.) Cl. | 64 |
| 21 | Cymbella prostrata (Berk.) Cl. | 63 |
| 22 | Cymbella ventricosa Kuetz.? | 62 |
| 23 | Cymbella turgida (Greg.) Cl. | 63 |
| 24 | Cymbella triangulum (Ehr.) Cl. | 63 |
| 25 | Cymbella lacustris (Ag.) Cl. | 64 |
PLATE 19
| Fig. | | Page |
| GOMPHONEIS |||
| 1 | Gomphoneis mamilla (Ehr.) Cl. | 70 |
| 2 | Gomphoneis herculaneum (Ehr.) Cl. | 70 |
| GOMPHONEMA |||
| 3 | Gomphonema montanum Schum. | 71 |
| 4 | Gomphonema geminatum Lyng. | 71 |
| 5 | Gomphonema acuminatum var. turris (Ehr.) Cl. | 71 |
| 6-12 | Gomphonema lanceolatum var. insignis (Greg.) Cl. | 71 |
| 7 | Gomphonema acuminatum var. coronata (Ehr.) Cl. | 71 |
| 8 | Gomphonema constrictum Ehr. | 72 |
| 9-10 | Gomphonema sphærophorum Ehr. | 72 |
| 11 | Gomphonema acuminatum var. turris (Ehr.) Cl.? | 71 |
| 13 | Gomphonema ventricosum Greg. | 73 |
| 14 | Gomphonema intricatum Kuetz. | 72 |
| 15 | Gomphonema æquale Greg. | 72 |
| 16 | Gomphonema sarcophagus Greg. | 72 |
| 17 | Gomphonema parvulum var. micropus (Kuetz.) Cl. | 73 |
| 18-19 | Gomphonema angustatum Kuetz. | 72 |
| 20 | Gomphonema acuminatum var. trigonocephala (Ehr.) Cl. | 71 |
| 21 | Gomphonema augur Ehr. | 72 |
| 22 | Gomphonema capitatum Ehr. | 72 |
| 23 | Gomphonema olivaceum Lyng. | 73 |
| 24 | Gomphonema brasiliense var. demeraræ Grun.? | 73 |
| RHOICOSPHENIA |||
| 25-26-27 | Rhoicosphenia curvata (Kuetz.) Grun. | 56 |
PLATE 20
| Fig. | | Page |
| DICTYONEIS |||
| 1 | Dictyoneis marginata var. maxima n. var. | 79 |
| 2 | Dictyoneis marginata var. commutata Cleve. | 79 |
| 3 | Dictyoneis marginata var. typica Cleve. | 78 |
| DIPLONEIS |||
| 4 | Diploneis crabro var. pandura (Bréb.) Cl. | 85 |
| 6 | Diploneis campylodiscus (Grun.) Cl. | 86 |
| 7-8 | Diploneis gruendleri (A. S.) Cl. | 85 |
| 9 | Diploneis crabro Ehr. var.? | 85 |
| 10 | Diploneis excentrica n. sp. | 85 |
| 11 | Diploneis fusca var. delicata (A. S.) Cl. | 85 |
| 12 | Diploneis puella (Schum.) Cl. | 85 |
| 13 | Diploneis crabro var. pandurella Cl.? | 85 |
| 14 | Diploneis elliptica (Kuetz.) Cl. | 84 |
| 15 | Diploneis crabro var. expleta (A. S.) Cl. | 85 |
| 16 | Diploneis geminata (Grev.) Cl. | 86 |
| 17 | Diploneis smithii (Bréb.) Cl. | 84 |
| NAVICULA |||
| 5 | Navicula lyra Ehr. var.? | 93 |