BIBLIOGRAPHY OF 



Pa. 



Fig. 



201 



131 



202 132 



203 



134 



204 133 



205 



138 



206 



135 



207 





207 136 



208 137 



209 139 



210 140 



211 141 



Family L.iinnea.na 



Pa. Fig. 

 Planorbis trivolvis Say. 



Cochlea triuiii orbium Lister. 



P. corpulentus Say. 

 lentus Say. 

 bicarinatus Say. 



Helix angulatus Rackett. 

 campanulatus Say. 

 armigerus Say. 

 hirsutus Gould. 

 elevatus Adams. 

 deflectus Say. 



P. virens Adams (var.) 

 exacutus Say. 



P. exacuous Say. 

 parvus Say. 

 dilatatus Gould. 



P. lens? Lea. 

 Physa heterostropha Say. 



Bulla foniinalis Indiae Orien- 

 talls Chemu. 



213 



142 



214 143 



215 



144 



216 



145 



217 148 



218 



149 



218 



151 



219 



150 



221 



146- 



223 





224 153 



224 152 



Lam. 



Cochlea neritoides Lister. 

 Bulla fontinalis GmeL (var.) 



crassula Dillw. 

 Limnea heterostropha Say. 

 Physa ancillaria Say. 



elongata Say. 

 Limnaea columella Say. 

 Lymnatus navicula Val. 

 (var.) chalybea Gould. 

 macrostoma Say. 



Limnea acuminata Adams. 

 umbilicata Adams. 

 modicellus Say. 

 desidiosa Say. 

 -7 elodes Say. 



catascopium Say. 

 Lymneus cornea Val. 

 Ancylus rivularis Say. 

 fuscus Adams. 



Family Peristomata Lam. 



225 156 Valvata tricarinata Say. 



Cyclostoma tricarinata Say. 

 V. carinala Sowb. 

 (var.) simplex. 



226 155 pupoidea Gould. 



Til p. 144 Paludina decisa Say. 



P. limosa Val. 

 229 157 Amnicola porata Say. 



Paludina porata Say. 



Family IVeritacea Lam. 



231 163 Natica heros Say. 



233 135 triseriata Say. 



234 168 immaculata Tott. 



235 161 canaliculata Gould. 



236 164 duplicata Say. 



237 166 pusilla Say. 



238 167 Natica clausa Br. & Sowb. 



JV. consolidata Couth. 

 borealis Beck. 



239 162 flava Gould. 



240 Janthina fragilis Lin. 



Helix janthina Lin. 

 Janthina communis Lam. 



Family Macrostomata Lam. 



241 159 Velutina laevigata Lin. 

 Helix laevigata Lin. 



haliotoidea Fabr. 

 Bulla velutina Miill. 

 ^ V. capuloidea Blainv. 



rupicola Conr. 



Galericulum Ixvigatum Brown. 

 242 160 Velutina zonata Gould. 

 244 158 Sigaretus haliotoideus Lam. 



Helix haliotoidea Lin. 



Bulla haliotoidea Mont. 



Oxynoe glabra Couth. 



