Pages. 



Cijphoderia calceolux 483 



lievis 489 



ii margaritacea 472 



ii trochus 485 



I truncate 474 



Cystophrys oculea . . 540 



Dactylosphtfirium vitrseum 



Diaphorodon mobile 



f Difflugia acropodia .... 256, 421, 



i) aculeata 



i acuminata 233, 236, 



ii amphora 



I ampulla 



arcula 



ii assulata 



f ii asterisca 



'i arellana 



'i bacillariarum 



ii bacillifera 



ii bicornis 



ii bicuspidata 



" bidens 



I binucleata 



ii Bombayensis 



ii capreolata 



ii carinata ... .... 



ii cassis 



ii ciliata 499, 



" compressa 218, 



ii collaris 



conslricta 



corona 



ii curvicaulis 



ii cyclotellina 



" eleyans 



'i elisa 



'i elliptica 



enchelys 



'i entochloris. 



t 



>v f(illa.c 



fragoaa , 



glans 



84 

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 302 

 250 

 289 

 472 

 296 

 376 

 573 

 261 

 236 

 230 

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 236 

 264 

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 292 

 222 

 357 

 298 

 507 

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 347 

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 573 

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