Page 



Billings, E. W., on the Wooclchuck •. . . . 112 



On the Fisher 116 



On the Beaver 120 



On the Fossil Cephalopoda 135 



Biographical Memoir of William C. Redfield. By Professor Deni- 



sou Olmstead, L.L.D., Yale College 420 



BoMBYCiLLA Garrula (Bird) 144 



Botanical Society, Papers read before : — 



Barnston on the Ranunculaceaj 12 



Kemp on the Natural History of Bermuda 145 



Botanist, Hints to the Young 127 



Botany. — Barnston on the P.anunculacese 12 



On the Study of 34 



Lecture on : 335 



Birds, On 47, 112, 138 



Berkley's, J. M., work on Cryptogamic Botany noticed 157 



Bunting, the Snow 141 



Butterflies, On 93, 96, 115, 310, 345 



C ALosoMA Calidum (Beetle) 22 7 



Canada, Iron Ores of 20 



Hind on the Minerals of 52 



Castor Fiber, Billings on , 120 



Certhia Familiaris (Bird) 141 



Cephalopoda, Fossil 135 



Chapman, on the Origin of Metals 2 74 



On the Saltness of the Sea 277 



Coal, Origin of 286 



Colias Edusa (Butterfly) 314 



Chrysotheme (Butterfly) 316 



Piiilodice ' (do.) 317 



Continents, Formation of , 283 



Cook on Subsidence of Lauds 258 



Corythus Enucleator (Bird) 142 



CoRvus Americanus (do.) 143 



CouPER on the Distribution of Insects 40 



On Collecting Insects 101 



Cranial Type of the American Race 289 



Crow, The American ~. 143 



Dalton, Jno., Notice of Memoir of 160 



Dana, J. D., Thoughts on Species 287, 369 



Danais Archippus (Butterfly) 350 



Dawson, J. W. — Geological Structure of Maimanse 1 



On Hugh Miller 81 



Recent Geological Discoveries 188 



On the Sternbergia; 299 



On the Newer Pliocene Fossils 279 



On the American Association 241, 355 



