INDEX. 



AcHATiNA fasciata, Mull. 



gracillima, Pfeif. 

 octona, Chem. 

 perdix, L. 

 solidula, Pfeif. 

 vexillnm. Bru°r. 



489 

 489 

 894 

 421 

 489 

 489 



Achirus mollis, Mitch. 183, 279 



Achuauthes hrevipes 254 



Acipenser maculosus, Lesueur 303 



macrostomus, Raf. 303 



Ohioensis, Raf. 303 



Acipenser oxyrinchus, Mitch, 184, 287 



rubicuudus, Lesueur 303 



Actinia marg^inala, spicula in rays 252 



Actinocyclus 253 



Adams, C. B., descriptions of shells 37 



Alasmodou arcuata, Barnes 325 



marginata, Say 325 



undulata, Say 325 



Alger, F., identity of Beaumontite, 



Lincolnite and Heulandite 422 



Alosa communis 183 



chrysocloris, Raf. 307 



sapidissima 183 



Maltowacca, Mitch. 275 



menhaden, Mitch. 275 



Ammodytes lancea, Cuv. 280 



Amnicola lustrica 337 



porata 337 



Anatifa dentala, Wood. 311 



ItEvis, Lin. 311 



striata, Lin. 311 



vilrea. Lam. 312 



Ancylus rivularis. Say 337 



Anguilla lutea, Raf. 234 



laticauda, Raf. 235 



Bostoniensis, Lesueur 279 



vulgaris, Mitch. 279 



Anodon cataracla, Say 325 



implicala, Say 325 



marginata, Say 325 



Anomia aculeata, Gmel. 328 



ephippium, Lister 328 



Araneides, descriptions of 54, 356 



Area glacialis, Migh. 322 



Arion hortensis, Fer. 170 



Astarte castanea. Say 319 



laclea, Sowb. 319 



Portlandica. Migh. 320, 345 



quadrans, Gould 319 



Astarte undata, Gould 319 



Atherina Boscii, Cuv. ' 262 



notata, Mitch. 262 



Atypus, Latr. 223 



Atypus ni<?er, Hentz 224 

 Ayres,W.O.,fishes of Brookhaven 255,293 



Bachman, J., on genus Scalops 26 



Bacillaria of Boston Harbor 253 



Bailey, J. W., spicula in Actinea, &,c. 242 



Baione fontinalis, Dekay 273 



Balanus eburneus, Gould 310 



elongatus, Lin. 311 



geniculatus, Conr. 310 



ovularis, Lam. 310 



rugosus, Donov. 310 



tintinnabulum, Lin. 311 



Bartlett, J., notices of shells of Cuba 4S5 



Basse, striped 257 



rock • 239 



goggle-eyed 239 



Batrachus varie'gatus, Lesueur 262 



Beaumontite, identity vriih Heulandite422 



Belone truncata, Lesueur 272 



Binney A., two new Helices 360 



new Helix 241 



on Limacidae of U. States 1 63 



Black-fish 263 



Blue-fish 261 



Bones, fossil, from Oregon 134 



Brit 275 



Buccinum ciliatum, Fabr. 343 



Donovani, Gray 343 



obsoletum. Say 343 



plicosum, xMenke 343 



rosaceum, Gould 343 



trivittatum, Say 343 



undatum, Lin. 343 



Bucholzite 



Bulimus atricallosus, Gould, 

 lubricus. Mull. ^ 

 ovatus, anatomy of 

 Bullhead 



Bulla debilis, Gould 

 Gouldii, Couth, 

 lineolata, Couth, 

 occulta, Migh. 

 oryza, Totten 

 perlenuis, Migh. 

 puncto-slriala, Migh. 



500 

 457 

 334 

 421 

 272 

 331 

 331 

 331 

 54 

 332 

 332, 346 



