208 



REFERENCE TO PLATES. 



Species. Page 



Area America nil, Gray 179 



llolinesii, Kurtz 179 



incoiigrua, Say 179 



Pprtuiiculus pennaceus, Lam 180 



MytUiis ediilis, Linn 186 



" " " 186 



Nucula tenuis, Mont 180 



proxiiiia, Say ISO 



expans-a, Keeve 181 



lutlata, Hancock 181 



dplpliiiioiioutii, Mighels LSI 



Leda tenuisulcata, Couth 181 



Jacksouii, Cld 182 



minuta, Fabr 182 



caudata, Dou.iv 182 



acuta, Cour 182 



• limatula. Say 183 



sapotilla, Gld 1 83 



uiyalis, Ooutli 184 



obesa, Stiinp 184 



arctica, Gray 184 



thracifeformis, Slorer 184 



cascoensis, Mighela 185 



Mytilus exustus, Liun 186 



hamatiis, Say 186 



Modiola modiolus, Linn 186 



plicatula, Lam 187 



Caroliueu-'^is, Conr 187 



I u 11 pa , Li u n 1 87 



Crenella gland ula, Totten LSS 



faba, Fabi- 189 



nigra. King 1 89 



discors, Liun 1!^9 



corrugala, Stimp 189 



lateralis, Say ^ 190 



Preissena leucoph.Tta, Cour 190 



Avicula Atlantiea, Lam 191 



Pinna seminuda. Lam 191 



muricala, Linn 191 



Ostrea Virginiana, Lister 192 



boreali.H, Lam 193 



equpstris. Say 193 



Anomia glabra, VeriuU 194 



aculeata, Graelin 191 



Pecten Magellanicus, Gniel 19.') 



Islaudicus, Miill 196 



irradiau.s. Lam 196 



dislocatu.s. Say 196 



ornatus, Lani 1 97 



nodosus, Linn 197 



Lima scabra, Dili w 197 



squamosa, Lara 197 



sulculus, Leach IdS 



Plicatula ramosa. Lam 198. 



Terebratuliiia septentrional is, Couth 199 



Rhynchoiiella psitlacea, Gmel 19rt 



Glottidia pyramidata, Stirap 200 



THE END 



