438 



INDEX. 



Limax variegatus, 145. 

 Weinlandi, 153. 



Macroceramus, 384. 

 Macroccramus Gossei, 386. 

 Kieneri, 385. 

 pontificus, 385. 

 Macrocyolis, 88. 

 Macrocyclis concava, 92. 

 Duranti, 94. 

 Elliotti, 94. 

 Newberryana, 374. 

 sportella, 91. 

 Vancouverensis, 90. 

 Voyana, 93. 

 Melaniella, 195. 

 Menomphis, 432. 

 Mesodon, 314. See Helix. 

 Mesodon maculata, 432. 

 Mesomphix, 98, 432. 

 Microphysa, 169. See Helix. 



Odomphium, 432. 

 Odostomia corticaria, 209. 

 Odotropis, 432. 

 Oleacina. -See Glandina. 

 Omphalina, 432. 

 Oraphalina cuprea, 100, 432. 

 Onchidella, 178. 

 Onchidella borealis, 179. 

 Onchidium Carpenteri, 20. 

 Opeas, 194. 

 Orthalicus, 406. 

 Orthalicus undatus, 408. 



zebra, 408. 

 Oxyurus quadrilus, 432. 



Pallifera, 249. 

 Pallifera dorsalis, 250. 



Wetherbyi, 251. 

 Paludina turrita, 203. 

 Partula Otaheitana, 431. 

 Patula, 154. See Helix. 

 Philorayctis Caroliniensis, 182. 

 dorsalis, 184. 

 flexuolaris, 184. 

 fuscus, 184. 

 lividns, 184. 

 nebulosus, 184. 

 oxyrus, 184. 

 quadrilus, 184. 

 Planorbis glans, 85. 



parallelus, 185. 

 Planogyra. See Helix. 

 Polygyra, 262. See Helix. 

 Polygyrella, 289. 

 Polyphemus glans, 84. 

 Pomatia, 379. 

 Prophysaon, 236. 

 Prophysaon Hempbilli, 238. 

 Pseudohyalina, 119. 

 Pulmonata, 1. 



Punctum, 410. 



Punctum minutissimum, 412. 



pygmseum, 410. 

 Pupa, 1 96. 

 Pupa albilabris, 203. 

 alticola, 212. 

 Arizonensis, 204. 

 armifera, 205. 

 armigera, 206. 

 badia, 197. 

 Blandi, 198. 

 borealis, 211. 

 Californica, 202. 

 carinata, 209. 

 chordata, 21. 

 contracta, 207. 

 corpulenta, 201. 

 corticaria, 209. 

 costulata, 213. 

 curvidens, 200. 

 decora, 201. 

 deltostoma, 207. 

 detrita, 221. 

 exigua, 213. 

 fallax, 203. 

 gibbosa, 219. 

 Gouldii, 213. 

 helicoides, 213. 

 Hoppii, 198. 

 hordeacea, 205. 

 incana, 213. 

 marginatus, 203, 213. 

 maritima, 221. 

 milium, 213. 

 minuta, 209. 

 modesta, 213. 

 modica, 204. 

 mumia, 221. 

 muscorum, 197. 

 Nebrascana, 213. 

 ovata, 213. 

 ovulum, 213. 

 pellucida, 211. 

 pentodon, 200. 

 placida, 212. 

 procera, 209. 

 Rowellii, 202. 

 rupicola, 208. 

 Riisei, 211. 

 servilis, 211. 

 simplex, 213. 

 Steenbuchii, 199. 

 Tappaniana, 200. 

 turrita, 203. 

 unicarinata, 213, 385. 

 variolosa, 199. 

 Vermilionensis, 213. 

 vetusta, 213. 

 Pupilla, 197. 

 Pupilla Blandi, 235. 



Rumina, 191. 



