GENERAL INDEX. 



125 



PAGE 



? curvicaulis, Difflugia . ii, 29 



cyanthus, Parmulina . . iv, 28 



cyclostoma, Averintzia . iv, 65 



cyinbalum, Pyxidicula . iv, 23 



Cyphoderia Schlumb. . . in, 68 



ampulla (Ehrenb.) Leidy . iii, 70 



var. major Penard . iii, 78 



var. papillata Wailes . iii, 77 



var. vitrsea Wailes . iii, 76 



trochus Penard . . iii, 80 



var. amphoralis Wailes iii, 81 



var. palustris Penard . iii, 81 



D. 



Dactylosphaerium Hertw. Sf 



Less. . . . i, 64 



polypodium Schultze . i, 67 

 radiosum (Ehrenb.) 



Buetsch. . i, 64 



delicatula, Nuclearia . . i, 109 



dentata, Arcella . . i, 125 



dentata, Sphenoderia . . iii, 63 



denticulata, Euglypha . iii, 41 



dentistoma, Nebela . . ii, 119 



Development . . iv, 7 



Diaphoropodon Archer iii, 122 



mobile Archer . iii, 123 



Difflugia Leclerc . ii, 2 



acuminata Ehrenb. . ii, 19 



var. curvata Cash . ii, 24 



var. inflata Penard . ii, 23 



amphoralis Hopk. . . ii, 43 



arcula Leidy . . ii, 55 



bacillariarum Perty . ii, 25 



var. elegans Penard . ii, 28 



bacillifera Penard . ii, 17 



brevicolla Cash . . ii, 38 



constricta (Ehrenb.) Leidy ii, 54 



var. spinifera Playf. . iv, 42 



corona Wallich . . ii, 49 



crassa Cash . . ii, 13 



? curvicaulis Penard . ii, 29 



globulus (Ehrenb.) Hopk. ii, 33 



gramen Penard . . ii, 48 



labiosa Wailes . . iv, 39 



lauceolata Penm-il . ii, 31 



PAGE 



Difflugia lobostoma Leidy . ii, 44 



lucida Penard . . ii, 32 



manicata Penard . . iv, 39 



oblonga Ehrenb. . ii, 4 



var. bryophila Penard . iv, 57 



var. claviformis (Penard) 



Cash . . . ii, 11 

 var. lacustris (Penard) 



Cash . . . ii, 12 



var. tenuis Penard . iv, 36 

 var. venusta (Penard) 



Cash . . . ii, 10 



olliformis Lagerh. . iv, 40 



orbicularis Cash . . ii, 38 



oviformis Cash . . ii, 52 



penardi Hopk. . . ii, 14 



petricola Cash . . ii, 18 



pristis Penard . . ii, 18 



? pulex Penard . . ii, 46 



rubescens Penard . iv, 37 

 tuberculata (Wallich) 



Archer . . ii, 159 



var. minor Wailes . iv, 41 



urceolata Carter . . ii, 39 



Difflugiella Cash . ii, 77 



apiculata Cash . . ii, 78 



DIFFLUGINJE . ii, 2, 159 ; iv, 36 



digitatum, Cochliopodium . ii, 148 



Diplochlamys Greeff . . iv, 30 



leidyi Greeff . . iv, 31 



timida Penard . . iv, 32 



vestita Penard . . iv, 33 



Diplophrys Barker . iii, 144 



archeri Barker . iii, 144 



discoides, Arcella . . i, 122 



discus, Lithamceba . . i, 81 



Distribution . . . i, 29 



dubium, Corythion . . . iii, 96 



E. 



eboracensis, Cryptodifflugia . iv, 53 



echinatum, Cochliopodium . ii, 155 



elegans, Hyalosphenia . ii, 89 



elisa, Pontigulasia . . ii, 161 



enchelys, Trinema . . iii, 86 



epistomuni, Lesquereusia . ii, 71 



