INDEX. 



365 



236; in Vagiiiulus, 237; in Helix, 

 237. 

 Pulmonary chamber, 199, 200, 202. 

 Pulmonary orifice in Liinax, 235. 

 Pulmonary rete, in Limax, 235; in 



Helix, 238. 

 Pulsations of the heart, 238. 

 Pupa, Drap. 97. 114. 124, 163, 165, 

 167, 168, 171, 173, 201, 202, 

 213 230. 

 armilera, 109, 128, 129, 181. 

 badia, 109, 124, 129. 

 contracta, 109, 128, 129, 140, 



154, 162, 181. 

 corticaria, 109, 128, 129. 

 incana, 109, 119, 128, 153, 162, 



199, 216, 230. 

 rupic-ola, 109, 128, 129, 140, 



154, 162. 

 modica, 109. 



pontifica, Gould, 109, 128. 

 servihs, Gould, 162. 

 variolaria, 128. 

 Pupadae, 97. 

 Raiinesque (C. S.) notice of, 41; his 



works, 48. 

 Rang, his definition of Gasteropoda, 



93. 

 Rectum, 208. 



Renal organ, 236, 239; in Tebenno- 

 phorus, 237; in Vaginulus, 237 ; in 

 Helix, 238. 

 Reproduction of injured parts, 196. 

 Respiratory apparatus, 235. 

 Retractor muscle, 202, 225. 

 Rivers, influence on the range of spe- 

 cies, 107, 130. 

 Salivarv glands, 208, 217 ; of Vaginu- 

 lus, 211 ; in Helix, 212; in Succi- 

 nea, 214; in Glandina, 215. 

 Say, (Thos.) his Conchology in 

 Nicholson's Encyclopedia, 36 ; his 

 life, 39 ; Helices described by, 59. 

 Scutibranchiata, Bl. 95, 96. 

 Sea, influence of its vicinity on spe- 

 cies, 135. 

 Sense, organs of, 243. 

 Serial arrangements, 88, 97. 

 Shells, to be studied with the animal, 



69; and at all ages, 71. 

 Sight, organ of, 247. 

 Silliman's Journal, its contributions, 



35. 

 Siphonobranchiata, Bl. 95, 96. 

 Smell, sense of, 246. 

 Species, definition of, 64; variations 

 of, 65 ; how to be described, 

 68. 

 on both continents, identity of, 

 75. 



Specific names, choice of, 77. 

 Spermatheca, 234. 

 Spermatoztja, in Helix, 232, 234. 

 State Surveys, 36. 

 Stenosloma, Raf. 49. 

 Stenotrema, Raf 49. 

 Stomach, 207 ; of Tebennophorus, 

 210; of Vaginulus, 210; in Hehx, 

 211; in Bulimus, 213; in Pupa, 

 213; in Succiuea, 213. 

 Stomato-gaslric ganglion, 241. 

 SucciNEA, 76, 97, 114, 124, 128, 163, 

 16-5, 167, 168, 171, 196, 201, 

 202, 213, 231, 233. 

 amphibia, 159. 

 aurea, 109, 128, 129. 

 avara, 109, 128, 129. 

 campestris, 109, 121, 128. 

 lutcola, 109, 128. 

 niunita, 128. 

 nuttalliana, 109. 

 obliqua, 109, 128, 129, 199. 

 ovalis, 109, 128, 129. 

 putris, 109, 129, 159, 162. 

 rusticana, 109. 

 Sub-Qjsophageal ganglion, 240. 

 Supra-cESophageal ganglion, 239. 

 Synonyms, an obstacle, 63. 



of species described by Say, 59. 

 Synopsis of genera and species in 



each geographical section, 128. 

 Table of Helices described by Say, 

 59; of pneumonobranchiate mol- 

 lusca, 97; of distribution of species 

 in geographical regions, 109; of 

 temperature, 110; of genera and 

 species in each geographical sec- 

 tion, 128 ; of foreign species ob- 

 served in the United States, 1-59 ; 

 of species inhabiting other parts of 

 America, 162 ; of the number of 

 species in each genus, 163; of 

 terrestrial niollusks in the United 

 States and in Europe, 167 ; of ge- 

 nera, compared with those of South 

 America and Cuba, 171. 

 Taste, sense of, 246. 

 Teeknnophorus, 53, 97, 111, 123, 128, 

 163, 165, 167, 168, 171, 173, 

 193, 200, 204, 205, 209, 220, 

 236. 

 carolinensis, 109, 128, 129, 198, 

 205. 

 Tegumentary covering, 203. 

 Temperature, table of, 110; vicissi- 

 tudes of, 127. 

 Tentaculfe, 199 ; structure of, 244 

 Terrestrial mollusks, anatomy of, 198. 

 in the United States and Eu- 

 rope, comparative table of, 167. 



VOIi. I. 



33 



