INDEX TO VOL. YIII. 



N. B. New g-onora and species in italics. 



Acalephan Fauna of the Southern Coast 

 of 3Iass. (IJuzzard's Bay). A. E. K. 

 Aoassiz on, 224. 

 Aerochorrlonichthys, Synonymy of, 53. 

 Act passed by the "General Co'irt irrant- 

 ing the Society power to hold a larger 

 amount of property accepted, 178. 

 Achorion Schoenleinii on a mouse, 9S. 

 Africa, Khodizite, Maguesian mineral 



from, 294. 

 Agamonema, from a tumor in the hu- 

 man eyelid, 218. 

 Akysis, Synonymy of, 53 ; Akyses, 52. 

 Alca torda, 73. 

 Allanite, Catalogue of the mineralogical 



species, by Dr. W. Sharswood, 55; 



analysis of, 57. 

 Amethystine quartz crystals from Salto, 



Uruguay, 00. 

 Amiurus (Raf ), Gill, List of species of, 



44 ; synonymy of, 50. 

 Amiurus obesus. Gill, 45. 

 Ammonites bifrons and communis, 174. 

 Amphipeutas nhtusus, Bailey, ins. 

 Araphistichus, Synonymy of, 130. 

 argenteus, Synonymy 



of, 131. 

 Amphitetraa cnspidata, Bailev, 103. 

 Amphora rfelphina, L. W. Bailey, 102. 

 Amia, Microscopical structure of scales 



of, 218. 

 Amphora ohtecta, Bailey, 107. 

 Ampyx Halli from Vermont, 287. 

 Anatina sulcnUjia, Shumard, 204. 

 Anatomy comparative. Specimens added 



to the department of. 258. 

 Animals, circumscription of in the 



ocean, GO. 

 Animals drawn up on telegraph cable 



between Africa and Marseilles, 284. 

 Anisomyon Haydon, Shumard, 198. 

 Annual Reports of Treasurer and Li- 

 brarian, 175 ; of Building Committee, 



257. 

 Anticosti Island, Geology of, 285. 

 Antimonial Galena with silver from 



Sonora, 109. 

 Aphis granaria, Ravages of, on the 



wheat, barley and oats in Oneida 



County, X. Y., Sam'l H. Scudder's 



remarks on, 209. 

 Arachnids, Groups of minute living. 



obtained from a caq^et, and appearing 



as a brilliant carmine powder, 177. 

 Arctic regions. Primitive rocks from, 



288 ; plants from, 288. 

 Argentiferous Galena from Pike's Peak, 



169. 



Army worm of the North, 209. 

 Aspidophorus from the Newfoundland 



Grand Bank, 218. 

 Asterias acervnta, Stimpson, 271. 



omtispiiirr, Stimpson, 202. 



o'qudlis, Stimpson, 273. 



arenicola, Stimpson, 208. 



capitata, Stimpson, 204. 



compta, Stimpson, 270. 



conferfa, Stimpson, 203. 



cribraria, Stimpson, 270. 



fissispina, Stimpson, 2(i4. 



he.rnctis, Stimpson, 272. 



Luflcfnii, Stimpson, 205. 



Madeirenftifi, Stimpson, 203. 



prmrispina, Stimpson, 206. 



rufjispina, Stimpson, 207. 



teiiera, Stimpson, 209. 



TroschelJii, Stimpson. 207. 



Astrophyton clavatnm, Lyman, 85. 

 Avicula iridescens, Shumard, 203. 

 Aviculo pecten limaformis. White and 



Whitfield, 295. 

 Aviculo-pocten nodocostatus, Wliite and 



Whitfield, 296. 



Bankivia Ivgvbris, Gould, 18. 

 Barnacle from back of hump backed 



whale, 218. 

 T>^\'\i>.^ix pondorosn , Prime, 273. 

 Bela vi>dr/tcU(i, Gould, 281. 

 Bellerophon bihdnatm^. White and 

 Whitfield, .304. 



jJcrrlec/rnis, White and 



Whitfield, 304. 



vinrul'itiifi. White and 



Whitfield, .304. 

 Biloculina serrnta, Bailey, 108. 

 Binney, Amos, Resignation of oflice 



of Treasurer bv, 205. 

 Birds that breed in the Gulf of St 



Lawrence, Dr. H. Bryant on, 05. 

 Bituminous coal of Ilindostan, 175. 

 Black River group, 249. 

 Blennv family, Kespiration of fishes 



of, 103. 

 Bones of a supernumerary leg from a 



goose, 250 ; of gorilla from Western 



Equatorial Africa, 217. 

 Bouve, T. T., elected Treasurer, 205. 

 Brachiopoda, Lateral symmetry in, N 



S. Shaler on, 274. 

 Braintree, Mass., Fossils at, 5. 

 Branrhiosfei/s, Gill, Synonymy of, 52. 

 Breeding habits of Larus argentatus, 



72. 

 Building Committee, 253 ; report of, 257. 

 Buteo Bairdii, 117 



