395 



Girard, C. 183, 239,251,264, 302, 348, 



363. 

 Gould, A. A. 38. 

 Harvey, W. H. 370. 

 Hunt, T. S. 150. 

 Jackson, C. T. 30, 169,233, 243,247, 



278, 279, 297. 

 Kneelaud, S. Jr. 7, 12, 15, 212, 237, 

 238, 272. 



Le Coute, John, 172. 

 Perkins, H. C. 12. 

 Stimpson, William, 175, 333. 

 Storer, D. H. 70, 71. 

 Storer, H. R. 327. 

 Teschemacher, J. E. 131, 245. 

 Thompson, Zadock, 163, 205, 300, 305. 

 Warren, J. C. 26. 

 Wells, David, 339. 

 Whitney, J. D.5, 78, 96, 100. 

 Wyman, Jeffries, 179, hJ2. 



Reports, of Officers, 31, 32, 33, 146, 283. 

 Republican Institution, 145. 

 Resolutions, 6, 7, 10, 145, 231, 314. 

 Respiration in Invertebrata, 209. 

 Bhacostoma Atlanticum, 342. 

 Rliinichthys, gen. 81. 

 Rhodomenia YVilkesiiy 371. 

 Ridge road, 358. 

 Ripple marks, 208. 



Salaeratus Lake, 223. 



Saline Water, analysis of, 224. 



Salmo amethystus, 61. 



Siskiwit, 61. 



Salmoperca, 307. 



Sal pa Caboti, 15. 



Salt Lake, Great, 223. ' 



Salt Lakes, origin of, 259, 266. 



Sand dunes of Lake Superior, 207. 



Sandstones, value of in building, 241, 248. 



Sandstones of the United States, 335, 



336, 339. 

 Schizaster Lachesis, 368. 

 Schorlomite, 96. 

 Seals, fossil bones of, 241. 

 Septaria, 359. 

 Serpents, hissing of, 329. 

 Sertularia argeniea, 66. 



Jllicula, 65. 



plumea, 66. 



Showers of flesh, &c. 289. 

 Singing mouse, 4. 

 Sipunculus bernhardus, 67. 

 Skulls, American, 275. 



Aztec, 272. 



Hindoo, 212. 



Peruvian, 156, 157. 



Snow-fly, 308. 

 Soap-plants, 246, 267. 

 Solarium egenum, 84. 

 Solen scalprum, 214. 



sicarius, 214. 



Somniosus brevipinna, 16, 97. 



Sphargis coriacea, 81. 

 Spheria Robertsii, 341. 

 Spongia sulpkurea, 68. 



urceolata, 67. 



Stalactitic formation in Vermont, 56. 

 Stilifer acicula, 84. 

 Stomatella decolorafa, 73. 



' ttcmida, 74. 



Storer, D. H., On a new species of 



Zygoena, 70. — On a new species of 



Carcharias, 71. 

 Subsidence of coast of Newfoundland, 



374. 

 Succession of generations, 263. 

 Succinea concordialis, 38. 



helicoidea, 193. 



hdeola, 37. 



spurca, 193. 



Swallows' nests, edible, 271. 

 Swamps of Western rivers, 376. 

 Syncoryne, 134. 



Tame fishes, 175. 

 Tellina compta, 253. 



conccntrica, 253. 



exculta, 253. 



lauta, 252. 



• perula, 254. 



tithonia, 252. 



Tellurium, 122, 297. 

 Terebella fulgida, 191. 

 Terebratula caurina, 347. 



Patagonica, 347. 



pulvinata, 347. 



Termites bellicosus, 52. 

 Terraces of Lake Erie, 291. 

 Teschemacher, J. E., On the fossil 



vegetation of Anthracite, 8, 35. — On 



Arkansite, 131. — On Vermiculite, 245. 

 Thompson Zadock, On Percopsis pellu- 



cida, 164. — Annual Address, 300. — 



On Esox nobilior, 305. 

 Tin in Vermont, 224. 

 Toads, poison of, 297. 

 Trachidermis, 188. 



fasciatus, 302. 



intermedins, 302. 



uncinatus, 302. 



Transformation of salt into fresh ponds, 



81. 

 Trichotropis pusillus, 197. 

 Trionyx ferox, 322. 

 Triton BrasiHanum, 142. 



. • mundum, 143. 



Trochus acinosus, 92. 



amcenus, 107. 



atropurpureus, 107. 



bicrenatus, 106. 



-- circumsutus, 106. 

 ■- cohibrinus, 107. 



— elisus, 92. 



'- gradatus^ 91. 



— instridus, 107. 

 —jucundus, 91. 



