so SowERBY & Fulton. 



PELECYPO 



DA. 





PECTEN. 







OSTREA. 







(=VOLA.) 







cristagalli, Liim. 



... Is- 



-3s 



laticostatus, Sowb. 



... Is- 



-3s 



folium, Gmel. 



... Qd- 



-Is 



pyxidatus. Born. 



... Is- 



-2s 



imbricata. LL ... 



... (}d- 



-Is 



zigzsic, Linn. 



... Is- 



-2s 



mordax, Gould ... 

 multiradiata, Sowb. 

 rostralis, Lk. 



.'.. U~ 



Is 

 -Is 

 3d 



AYICULA. 



serata, Beeve 



%d—\s 



6d 



ANOMIA. 







iridescens, Beeve 

 margaritifera, Beeve 



... Is- 



-3s 



2s 



eenigmatica, Chem. 



... Is- 



-■2s 



marmorata, Beeve 



'.".. Is- 



-2s 



ephippium, Linn. 



...U- 



-6d 



pulchella, Beeve ... 



... U- 



-Is 



lampp, Gray 



... \s- 



-2s 



semisagittata, Lk. 



... U- 



-2s 



PLACUNANOMIA. 





tarentina, Lk. ... 



... Is- 



-2s 



ione, Gray 



... 2s- 



-3s 



MALLEUS. 







PLACUNA. 







albus, Lk. 



... Is- 



-2s 



placenta, Lk. 



... Is- 



-2s 



regula, Forsk. 



6d—\s 



U 



PLICATULA. 







vulgaris, Ijinn. ... 



... Is- 



-3s 



ramosa, Lk. 



...6d- 



-Is 



VULSELLA. 







SPONDYLUS. 



aurantius, Lk. ... 



... 2s- 



-5s 



lingua-felis, Beeve 

 lingulata, Lk. 



... Is- 

 ... Is- 



-3s 

 -3s 



ducalis, Ch. 



... Is- 



-4s 



PERNA. 







imperialis, Ch. ... 

 nicobaiicus, Ch. ... 



... Is- 

 ... Is- 



-5s 

 -3s 



calif ornica, Com: 

 ephippium, Linn. 



...6d- 

 ... Qd- 



-Is 

 -Is 



sinensis., Sowb. ... 

 variegatus, Chem. 



...6d- 

 ... Is- 



-2s 

 -3s 



isognomon, Linn. 



... Is- 



-2s 



LIMA. 



inflata, Ch. 

 multicostata, Soicb. 

 paucicostata, Sowb. 

 scahr a, Born. 

 squamosa, Lk. ... 



... Qd- 

 Is—ls 

 Is 6d- 

 ... Is- 

 ... Qd~ 



-Is 

 6d 

 -3s 

 -2s 

 -Is 



PINNA. 



electrina, Beeve. ... 

 muricata, Linn. ... 

 rigida, Dilliv. 

 saccata, Linn. 

 vexillum, Born. .. 



... 2s- 

 Is— 2s 



Is ed- 

 ... Is- 

 ... Is- 



-3s 



-3s 

 -3s 

 -3s 



PEDUM. 



spoiidyloideum, Gmel. 



.. 



2s 



MYTILUS. 



granulatus, LLanl. 

 hirsutus, Lk. 



'.'.'. Sd- 



3d 

 -&d 



CHLAMYS. 



(=Pecten, Aud.) 





magellanicus, Ch. 

 meukeanus, Phil. 



...6d- 



-Is 

 Is 



aspenimus, Lk. ... 



... Is- 



-2s 



perna, Linn. 



... Qd- 



-Is 



distans, Lk. 



... l.s- 



-2s 



smaragdinus, Ch. 



... Is- 



-3s 



glaber, Linn. 

 islandicus, Ch. ... 



...3d~ 

 ... Is- 



-Is 



-3s 



MODIOLA. 







lemniscatus, Beeve 



... Is- 



-2s 



albicostata, Lk. ... 



... 



Is 



lentiginosus, Beeve 



... 6d- 



-3s 



arcuatula, LLanl. 





U 



lividus, Lk. 



... \s- 



-3s 



elegans, Gray. 



... 



U 



plica, Linn. 



Is— Is 



6d 



glabeirima, Dkr. 



... 



U 



purpuratus, Lk. ... 



...6d- 



-3s 



papuana, Lk. 



... 



U 



radula, Linn. 



Qd—h 



^6d 



plicatula, Lk. 



.. 6d- 



-Is 



senatorius, Gmel. 

 septemradiatus, Miill. 



... Qd- 

 ... M- 



-2s 

 -Is 



SEPTIFER. 







tigris, Lk. 



U—l. 



^6d 



excisu?, Weigm. ... 



... 



%d 



tranquebaricus, Gmel. 



... 6d- 



-Is 



nicobaricus, Chem. 



... 



6d 



HINNITES. 







LITHODOMUS 



■. 





giganteus, Gray ... 





3s 



citniamomeus, Ch. 



...3d- 



-6d 



AMUSSIUM. 



japonicus, Gmel.... 

 pleuronectes, Linn. 



... Is- 

 6f/-L 



-2s 



corrugatus, Phil. 

 gracilis, Phil. 

 lithophagus, Linn. 



...6d- 

 ...6d- 

 ... 6d- 



-Is 

 -Is 

 -Is 



(Propeamusium.) 

 alaskensis, Drt//.... 



4s 



GRENELLA. 



decussata, Mont. 



... 



6d 



