SowERBY & Fulton. 



MODIOLARIA. 



impacta, Gray M — 6(^ 



laevigata, Gray. ... ... M 



DREISSENA. 







africana, Van Ben. 





6d 



polymorpha, Pallas. 





■2d 



ARCA. 







nose, Linn. 



.Qd- 



-Is 



(Barbatia.) 







decussata, Sowh. 



Qd- 



-Is 



gradata, Reeve ... - 





M 



setigera, Reeve ... 



.6d- 



-Is 



tenebrica. Reeve 





U 



scapha, Chem. ... 



U- 



-Is 



tuberculosa, Sowb. 



. 'dd- 



-Is 



(Senilia.) 







senilis, Linn. 



Sd- 



-Is 



(SCAPHARCA.) 







cepoides. Reeve ... 



Is- 



-2s 



gubernaculum. Reeve 





Is 



penangensis, Jouss 



'.6d- 



-Is 



(Parallelipipedum. ) 





tortuosa, Linn. ... 



.6d- 



-Is 



CUCULLiEA. 







concamerata, Ch. 1^ 



•—2s 



6^ 



PECTUNCULUS. 







albolineatus, Lischke. .. 



Is- 



-2s 



amboinensis, Gmel. 



. Is- 



-2s 



angulatus, Lk. ... &d — L 



^U 



glycimeris, Linn. 



.3d~ 



-<od 



pennaceus, Lk. ... 



. Is- 



-3s 



pectiniformis, Lk. 



6d- 



-Is 



pilosus, Lk. 



Qd- 



-Is 



spurcus. Reeve. ... 



. 



M 



violascens, Lk. ... 



.3d- 



-U 



LIMOPSIS. 



multistriata, Forsk. 



NUCULA. 



delphinodonta, Migh. 

 inflata, Hanc. 

 nitida, Soivh. 

 nucleus, Linn. ... 

 proxima, Say. 



(ACILA.) 



castrensis. Hinds. 



LEDA. 



Is— 2s 



6d 

 6d 

 3d—6d 

 od 

 3d 



Is 



confusa, Hani. ... 





6d 



crassa, Hinds. 



... 6d- 



-Is 



minuta, Miill. ... 





3d 



pella, Lk. 





3d 



pernula, Miill. ... 



... 6d- 



-Is 



verconis, I'ate. ... 





Is 



YOLDIA. 







glacialis, Gray. ... 



■ .. 



Is 



lenticula, MiJllff. 



... 



6d 



limatula, Say. ... 



... 2s- 



-3s 



lucida, Loven. 



... 



%d 



TRIGONIA. 



dubia, Sowh. 

 lamarcki. Reeve ... 



UNIO. 



(Asia.) 

 corrugatus, Lk. ... 

 delaportei, Cr. & F. 

 gray anus, Lea. ... 

 ingallsianus. Lea. 

 marginalis, Lk. ... 

 rusticus, Lea. 

 scobinatus, Lea.... 



(Australasia.) 

 australis, Lk. 

 menziesi, Gray ... 



(North America.) 



31 



Is— 



6^- 

 3s- 

 Is- 



%d- 



6d- 



metanever, Raf.... ... Qd- 



ovatus. Say. ... ... Is- 



parvus, Barnes ... 



plicatus. Less. ... ... Is- 



retusus, Lk. 



shepardianus, Lea. ... Is- 



triangularis, Barnes 

 unduJatus, Say. ... 



(Centr. & S. America.) 

 aethiops, Lea. 

 auratus, Sw. ... 

 fontaineanus. Orb. 

 gratus, Lea. 



(Africa.) 

 segypticus, Caill. 

 burtoni, Smith ... 

 niloticus, Caill. ... 



GLABARIS. 



liranoica. Orb. ... 



LAMPROSCAPHA. 



linguaeformis. Morel. 



PSEUDODON. 



crebristriata, Anth. ... Is 

 walpolei, Hanley. 



(Microcondylea. ) 

 cumingi, Lea. 



ANODONTA. 



crepera. Lea. 

 imbecillis, Say. 

 japonica, Mts. 

 salmoneus, Lea. 

 tenuis. Lea. 



MYCETOPUS. 



siliquosus. Orb. ... 



MUTELA. 



(=Iridina.) 

 cselestis. Lea. 



PLEIODON. 



ovatus, Sw. 



-Is 



-is 



-2s 



Qd 



Is 



-Is 



6d 



-Is 

 Is 



-Is 



-2s 

 6^ 



-2s 

 6d 



-2s 

 6(^ 

 6d 



Is 

 Is 

 Is 

 Is 



6d 

 Is 

 6d 



Is 



'2s 



6d 

 Is 



Is 



6d 

 6d 

 Is 

 2s 

 Is 



2s 



2s 

 2s 



