xu 



SYSTEMATIC INDEX. 



242. 

 243. 



244. 

 245. 



246. 



247. 



248. 

 24E). 



250. 

 251. 



252. 

 253. 



254. 

 255. 

 25 G. 



257. 

 258. 



259. 



260. 

 261. 

 262. 

 263. 



264. 



265. 

 266. 



Page 

 'Succinea sillimapi, Bid. 257 

 Succinea ovalis, GlcL, not 



Sai/. 257 



Succinea higginsi,.i?W. 258 



Succinea haleana, Lea. ^59 



Succinea mooresiana, Lea. 



259 



Succinea grosvenorii, Leo. 

 259 



Succinea -wilsoni, Lea. 260 



Succinea concordialis, GUI. 



260 

 Succinea luteola, Gld. 261 

 Succinea lineata, W. G. 



Binn. 262 

 Succinea avara, Say. 262 

 Succinea stretcliiana, Bid. 



263 



Succinea verrilli, Bid. 264 

 Succinea aurea, Lea. 264 



Succinea eroenlandica, 



Beck. 265 



Succinea obliqua, Sajj. 265 

 Succinea totteniana, Lea. 



266 

 Succinea campestris, Say. 



267 

 Succinea havrkinsii, BW.268 

 Succinea cingulata, Fhs. 268 

 Succinea rusticana, Gld. 269 

 Succinea nuttalliana, Lea. 



269 



Succinea oregonensis, Lm. 



2^0 



Brachijapira, Pfr. 270 



Succinea salleana, Pfr. 270 

 Succinea effusa, S/iuttl. 270 



267. 

 268. 



Pa(;r 



Ariolimax, Morch. 278 



269. Ariolimax columbianus, 



Gld. 279 



ZONITINiE. 281 



Zomites, Mo.ntf. 281 



yEgopis, Fitz. 282 



270. Zonites newberryana, 



\r. G. Binn. 282 



271. Zonites cultellata, Thoms.283 



Oniphalina, Raf. 283 



272. Zonites kopnodes, W. G. 



Binn. 284 



273. Zonites fuliginosa, Griff. 285 



274. Zonites caduca, Pfr. 286 



275. Zonites friabilis, W. G. 



Binn. 287 



276. Zonites laevigata, P/r. 287 



277. Zonites subplana, Binn. 288 



278. Zonites inornata, Say. 289 



279. Zonites sculptilis, Bid. 290 



280. Zonites elliotti, Red/. 291 



Ventridens 292 



281. Zonites gularis, Say. 292 



282. Zonites suppressa, Say. 293 



PHILOMYCIDiE. 294 



Tebeiinopliorus, Bisn. 295 



283. Tebennophorus caroli- 



nensis, Base. 297 



284. Tebennophorus dorsalis, 



Binn. 300 



VEROXICEI^LIDiE. 302 



Veronicella, Blainv. 303 



285. Veronicella floridana, Binn. 



305 



0:^CHIOIID^. 306 



OiicliidiMm, Brcn. 307 



286. Onchidium carpenteri, 



W. G. Binn. 307 



