# Diatomaceae of Philadelphia/Plates3

PLATE 21
| Fig. | | Page |
| CALONEIS |||
| 1 | Caloneis permagna (Bail.) Cl. | 82 |
| 2 | Caloneis permagna var. lewisiana n. var. | 82 |
| 3 | Caloneis silicula (Ehr.) Cl. | 81 |
| 4 | Caloneis silicula var. inflata (Grun.) Cl. | 81 |
| 5 | Caloneis brevis var. vexans (Grun.) Cl. | 82 |
| 6-7 | Caloneis wardii Cl. | 82 |
| 8 | Caloneis trinodis (Lewis) | 81 |
| 9 | Caloneis trinodis (Lewis) var.? | 81 |
| 10 | Caloneis powellii (Lewis) Cl. | 83 |
| 18 | Caloneis formosa (Greg.) Cl. | 82 |
| NEIDIUM |||
| 11 | Neidium affine (Ehr.) Pfitzer | 83 |
| 12 | Neidium affine var. genuina forma minor Cl. | 83 |
| 13 | Neidium affine var. amphirhyncus (Ehr.) Cl. | 83 |
| 14 | Neidium amphigomphus (Ehr.) Pfitzer. | 83 |
| 15 | Neidium hitchcockii (Ehr.) Cl. | 84 |
| 16 | Neidium productum (Wm. Sm.) Cl. | 83 |
| 17 | Neidium iridus (Ehr.) Cl. | 84 |
PLATE 22
| Fig. | | Page |
| PLEUROSIGMA |||
| 1 | Pleurosigma strigosum Wm. Sm. | 74 |
| 2 | Pleurosigma rigidum Wm. Sm. | 75 |
| 3 | Pleurosigma angulatum (Quekett) Cl. | 74 |
| 4 | Pleurosigma obscurum Wm. Sm. | 74 |
| 5 | Pleurosigma formosum Wm. Sm. | 73 |
| 6 | Pleurosigma naviculaceum Bréb. | 74 |
| 7 | Pleurosigma æstuarii Bréb. | 74 |
| 8 | Pleurosigma virginiacum H. L. Smith | 74 |
PLATE 23
| Fig. | | Page |
| GYROSIGMA |||
| 1 | Gyrosigma strigilis (Wm. Sm.) Cl. | 76 |
| 2 | Gyrosigma balticum (Ehr.) Cl. | 75 |
| 3 | Gyrosigma hippocampus (Ehr.) | 75 |
| 4 | Gyrosigma simile (Grun.) | 76 |
| 5 | Gyrosigma acuminatum (Kuetz.) Cl. | 76 |
| 6 | Gyrosigma scalproides (Rab.) Cl. | 76 |
| 7 | Gyrosigma parkeri var. stauroneioides Grun. | 75 |
| 8 | Gyrosigma spencerii var. nodifera Grun. | 76 |
| 9 | Gyrosigma fasciola (Ehr.) Cl. | 77 |
PLATE 24
| Fig. | | Page |
| NAVICULA |||
| 1 | Navicula maculata (Bail.) Cl. | 90 |
| 2 | Navicula prætexta Ehr. | 92 |
| 3 | Navicula latissima Greg. | 90 |
| 4 | Navicula irrorata Grev. | 93 |
| 5 | Navicula latissima var. elongata (Pant.) Cl. | 91 |
| 6 | Navicula fuchsii Pant. | 91 |
PLATE 25
| Fig. | | Page |
| NAVICULA |||
| 1 | Navicula tumida (Bréb.) Cl. | 99 |
| 2 | Navicula brasiliensis var. bicuneata Cl. forma constricta. | 92 |
| 3 | Navicula delawarensis Grun. | 92 |
| 4-6 | Navicula pusilla Wm. Sm. | 91 |
| 5 | Navicula humerosa Bréb. | 91 |
| 7 | Navicula spectabilis var. emarginata Cl. | 94 |
| 8 | Navicula pusilla var. subcapitata n. var. | 91 |
| 9 | Navicula punctulata Wm. Sm. | 92 |
| 10 | Navicula lyra Ehr. | 93 |
| 11 | Navicula hennedyi var. manca A. S. | 93 |
| 12 | Navicula hennedyi Wm. Sm. | 93 |
| 13 | Navicula lyra var. dilatata A. S. | 93 |
| 14 | Navicula yarrensis Grun. | 101 |
| 15 | Navicula yarrensis Grun. (smaller form) | 101 |
| 16 | Navicula yarrensis Grun. var.? | 101 |
PLATE 26
| Fig. | | Page |
| NAVICULA |||
| 1-2 | Navicula cuspidata Kuetz. | 100 |
| 3 | Navicula cuspidata var. ambigua (Ehr.) Cl. | 100 |
| 4 | Navicula spicula (Hickie) Cl. | 100 |
| 5 | Navicula integra Wm. Sm. | 99 |
| 6 | Navicula mutica Kuetz. | 97 |
| 8 | Navicula americana Ehr. | 98 |
| 9 | Navicula pupula var. bacillarioides Grun. | 98 |
| 10 | Navicula bacillum Ehr. | 98 |
| 11 | Navicula semen Ehr. | 98 |
| 12 | Navicula atomus Nægeli. | 100 |
| 13 | Navicula minima Grun. | 98 |
| 14 | Navicula ramosissima (Ag.) Cl. | 95 |
| 15 | Navicula crucigera (Wm. Sm.) Cl. | 100 |
| 16 | Navicula viridula var. rostellata Kuetz. | 95 |
| 17 | Navicula radiosa Kuetz. | 94 |
| 19 | Navicula gracilis var. schizonemoides (Ehr.) V. H. | 95 |
| 20 | Navicula peregrina Ehr. | 94 |
| 21 | Navicula cyprinus (Wm. Sm.) | 95 |
| 22 | Navicula reinhardtii Grun. | 95 |
| 23 | Navicula lanceolata var. arenaria (Donk.) Cl. | 95 |
| 24 | Navicula salinarum Grun. | 95 |
| 25 | Navicula gastrum Ehr. | 96 |
| 26 | Navicula anglica Ralfs. | 96 |
| DIPLONEIS |||
| 7 | Diploneis oculata (Bréb.) Cl. | 86 |
| STAURONEIS |||
| 18 | Stauroneis frickei var. angusta n. var. | 88 |
PLATE 27
| Fig. | | Page |
| STAURONEIS—Continued |||
| 1 | Stauroneis phœnicenteron Ehr. | 88 |
| 2 | Stauroneis acuta Wm. Sm. | 89 |
| 3 | Stauroneis americana A. S. | 89 |
| 4 | Stauroneis anceps var.? | 88 |
| 5 | Stauroneis anceps var. gracilis (Ehr.) Cl. | 88 |
| 6 | Stauroneis salina Wm. Sm. | 89 |
| 7 | Stauroneis anceps var. amphicephala (Kuetz.) Cl. | 88 |
| 8 | Stauroneis anceps var.? | 88 |
| 9 | Stauroneis anceps var.? | 88 |
| 10 | Stauroneis crucicula (Grun.) Cl. | 89 |
| 11 | Stauroneis smithii Grun. | 89 |
| NAVICULA |||
| 12 | Navicula lacustris Greg. | 92 |
| 13 | Navicula hasta Pant. | 97 |
| 14 | Navicula hasta var. punctata n. var. | 97 |
| 15 | Navicula punctata var. asymmetrica Lagerstedt | 92 |
| 16 | Navicula dicephala Wm. Sm. | 96 |
| 17 | Navicula placenta Ehr. | 94 |
| 18-19 | Navicula inflexa Greg. | 96 |
| 20 | Navicula pinnata Pant.? | 96 |
| 21 | Navicula oblonga Kuetz. | 97 |
| 22 | Navicula pennata A. S. | 96 |
| 23 | Navicula pygmæa Kuetz. | 94 |
| 24 | Navicula humilis Donk. | 96 |
PLATE 28
| Fig. | | Page |
| PINNULARIA |||
| 1 | Pinnularia nobilis Ehr. | 103 |
| 2 | Pinnularia major var. pulchella n. var. | 102 |
| 3 | Pinnularia dactylus Ehr. | 103 |
| 4 | Pinnularia major (Kuetz.) Wm. Sm. | 102 |
PLATE 29
| Fig. | | Page |
| PINNULARIA—Continued |||
| 1 | Pinnularia gentilis (Donk.) Cl. | 103 |
| 2 | Pinnularia viridis Nitzsch. | 104 |
| 3 | Pinnularia dactylus var. dariana (A. S.) Cl. | 103 |
| 4 | Pinnularia viridis var. fallax Cl. | 104 |
| 5 | Pinnularia socialis Palmer | 104 |
| 6 | Pinnularia æstuarii Cl. | 105 |
| 7 | Pinnularia rectangulata (Greg.) Cl. | 110 |
| 8 | Pinnularia trigonocephala Cl. | 103 |
| 9 | Pinnularia major (Kuetz.) Wm. Sm. (small form near P. viridis) | 102 |
| 10 | Pinnularia dactylus var. demeraræ Cl. | 103 |
| 11 | Pinnularia mormonorum (Grun.) | 107 |
| 12 | Pinnularia brébissonii (Kuetz.) Cl. | 107 |
| 13 | Pinnularia mesolepta Ehr. | 105 |
| 14 | Pinnularia termes var. stauroneiformis V. H. | 106 |
| 15 | Pinnularia molaris (Grun.) Cl. | 105 |
| 16 | Pinnularia braunii Grun. | 106 |
| 17 | Pinnularia termes (Ehr.) A. S. | 106 |
| 18 | Pinnularia appendiculata (Ag.) Cl. | 106 |
| 19 | Pinnularia microstauron (Ehr.) Cl. var.? | 106 |
| 20 | Pinnularia subcapitata Greg. | 105 |
PLATE 30
| Fig. | | Page |
| PINNULARIA—Continued |||
| 1 | Pinnularia cardinaliculus Cl. | 107 |
| 2 | Pinnularia viridis var. fallax Cl.? (var. B., Wm. Sm.?). | 104 |
| 3 | Pinnularia legumen Ehr. | 107 |
| 4 | Pinnularia legumen var.? | 107 |
| 5 | Pinnularia gibba (Kuetz.) V. H. | 109 |
| 6 | Pinnularia mesogongyla (Ehr.) Cl. | 109 |
| 7 | Pinnularia acrosphæria (Bréb.) Cl. | 108 |
| 8 | Pinnularia acrosphæria var. turgidula Grun. | 108 |
| 9 | Pinnularia tabellaria (Ehr.) Cl. var.? | 110 |
| 10 | Pinnularia leptosoma Grun. | 105 |
| 11 | Pinnularia stauroptera var. interrupta Cl. | 110 |
| 12 | Pinnularia stomatophora (Grun.) Cl. | 109 |
| 13 | Pinnularia stauroptera (Grun.) Cl. | 110 |
| 14 | Pinnularia parva (Ehr.) Cl. var.? | 108 |
| 15-19 | Pinnularia nodosa forma capitata Cl. | 108 |
| 16 | Pinnularia subcapitata var. paucistriata Grun. | 105 |
| 17 | Pinnularia viridis Nitzsch var. | 104 |
| 18 | Pinnularia viridis var. caudata n. var. | 104 |
| 20 | Pinnularia mesolepta var. stauroneiformis Grun. | 105 |
| 21 | Pinnularia polyonca (Bréb.) Lewis. | 108 |
| 22 | Pinnularia borealis Ehr. | 109 |
| 23 | Pinnularia lata (Bréb.) Wm. Sm. | 109 |
| 24 | Pinnularia borealis var. scalaris (Ehr.) Cl. | 109 |
| 25 | Pinnularia blandita n. sp. | 108 |