INDEX. 



315 



Pupa costuluta, 156 

 curvideiis, 237 



decora, 237 



deltostoma, 243 



detrita, 247 



exigua, 248 



fallas, 239 



gibbosa, 244 



gouldii, 250 



'hclicolcles, 249 



hoppii, 235 



hordeacea, 241 



iucana, 247 



maritima, 247 



miUion, 251 



mi nut a, 244 



modesta, 252 



modica, 240 



mumia, 247 



muscorum, 234 



nebrascana, 249 



oca^rt, 252 



ovulum, 253 



ptirraiana, 239 



pellacida, 24(3 



pentodon, 236 



placida, 24S 



poegana, 22 



procera, 244 



rowellii, 238 



rupicola, 243 



riisei, 24 G 



servilis, 246 



simplex, 254 



steenbuchii, 235 



tappaniana, 237 

 ^ unicarinata, 220 



variolosa, 236 



vetusta, 249 

 Pupilla, 233 

 P»p///« 6/aHf?/, 235 

 PupiuiB, 223 



Rhodea, 190 

 Rumiua, 228 



Scutalus, 207 



Stenogyra, 227 



Steiiogyra decoUata, 228 

 gracillima, 232 

 oclona, 232 

 subula, 230 



Stenostoma convexa, 272 



Steiiotrema, 112 



Stenotrema convexa, 117, 272 



Strobila, 83 



Strophia, 246 



Sucoinea, 255 



Succinea amphibia, 271 

 aperta, 271 

 aurea, 264 

 avara, 262 

 campestris, 267 

 ciugulata, 268 

 citrina, 261 

 coiicordialis, 260 

 decampii, 257 

 effusa, 270 

 forsheyi, 260 

 gabbii, 270 

 greerii, 265 

 groenlandica, 265 

 grosvenorii, 259 

 lialeana, 259 

 ^rt/e/, 259 

 hawkinsii, 268 

 haydeni, 256 

 liigginsi, 258 

 171 f lata, 267 

 lineata, 262 

 lincata, 265 

 luteola, 261 

 inooresiana, 259 

 munita, 2(.il 

 nuttalliana, 269 

 obliqua, 265 

 oregonensis, 270 

 ovalis, 257 



oval is, 265 

 pellucida, 271 

 putris, 271 



retusa, 256 



salleana, 270 



sillimaiii, 257 



stretchiana, 263 



texasiana, 261 



totteniana, 266 



unicolor, 267 



vcrmeta, 271 



verrilli, 264 



icardiana, 262 



wilsoni, 260 

 Snccininre, 255 



Tacliea, ISO 



Tebeniiopborns, 295 



Tebennophorus bilineatus, 302 



carolineiisis, 297 

 dorsalis, 300 



Tcstacella , 21 



Italiotoidea, 21 



Testacina, 67 



Tbaumastus, 199 



Toxostoma globularis, 272 



Toxotrcma complanata, 272 

 globularis, 272 



