41 



Order X. — Nudibranchiata. 

 No genera monographed. 



Sub-Class PTEKOPODA. 



Order XI. — Thecosomata. 



Order XII. — Gtymnosomata. , 



No genera monographed. 



Sub-Class PROSOPOCEPHALA. 



Order XIII. — Solexoconcha. 



No genera monographed. 



Class C— CONCHIFERA. 

 Order XIV. — Dimyaria. 

 Monograph of the genus. Species. Plates. 



Amphidesma 53 



Anatina 30 



Anodon 154 



Area 122 



Artemis 61 



Aspergillum 19 



Capsa 2 



Capsella 16 



Cardita 60 



Cardium 133 



Castalia 13 



Chama 65 , 



Chamostrea 1 



Circe 49 



Corbula 43 



Crassatella 19 



Cucullaea 3 



Cypricardia 13 



Cytherea 49 



Dione C2 



Donax 68 



Galatea 16 



Glauconome 9 



Hyria 13 



Iridina 5 



Isocardia 6 



Lueina 69 



Lutraria 18 



Mactra 125 



Meroe 12 



Mesodesma 31 



Myadora 10 



Mycetopus 10 



Myochama 4 



PeotUDculus 52 



7 



4 

 37 

 17 

 10. 



4 . 



1 



2 



9 

 22 , 



3 



9 



1 

 10 



5 



3 



1 



2 



10 

 12 



1 



15 . 



2 . 



1 . 

 11 



5 

 21 



3 



4 



I 



4 



1 



Volume. 



14 



17 



2 



6 

 12 . 

 10 

 10 



1 

 12 

 17 



4 

 14 

 14 



2 



1 

 17 



1 

 14 

 14 



8 

 16 



2 

 17 

 16 



2 



6 



8 



8 

 14 



8 



2 

 16 

 12 



1 



Family. 

 .. 233 

 .. 228 

 .. 258 

 .. 266 

 ... 238 

 .. 21S 

 .. 235 

 .. 236 

 ..257 

 .. 246 

 .. 259 

 .. 248 

 .. 248 

 .. 238 

 .. 226 

 .. 256 

 .. 266 

 .. 246 

 .. 238 

 .. 238 

 .. 236 

 .. 240 

 .. 239 

 .. 259 

 .. 259 

 .. 245 

 .. 249 

 .. 231 

 .. 231 

 .. 238 

 .. 2.32 

 .. 227 

 .. 260 

 .. 229 

 .. 266 



