NORTH AMERICAN CONCHOLOGY. 



8T 



Family Bulleana Lam. 



97 Bulla canaliculata Say. 



Vblvaria canaliculata Say. 

 Bullina canaliculata Say. 

 obstricta Gould. 

 oryza Tott. 

 lineolata Couth. 



Family Coliniacea Lam. 



170 101 Helix albolabris Say. 



Cochlea Yirginiana Lister. 



171 108 thyroidus Say. 



Cochlea umbilicata Lister. 



terrestris Yirginiana 

 Schroet. 

 Mesodon leucodon Raf. 



172 hortensis Mull. 



II. subglobosa Binney. 



173 115 tridentata Say. 



174 113 monodon Rack. 



175 116 hirsute* Say. 



II. fraterna Wood. 

 Stenotrema convexa Raf. 



176 102 pulchella Mull. 



Turbo hclicinus Lightfoot. 

 II. paludosa Mont., &c. &c. 

 minuta Say. 



177 114 alternata Say. 



II. scabra Lam. 

 radiata Gmel. 



178 112 striatella Anthony. 



179 103 lineata Say. 



Planorbis parallelus? Say. 



180 104 cellaria Mull. 



II. nitida Draparnaud. 



nitens Maton & Rackett. 



glaphyra Say. 

 Zonites ccllarius Gray. 

 lucida Leach. 



181 109 indentata Say. 



182 110 arborea Say. 



183 111 electrina Gould. 



184 106 labyrinthica Say. 



185 105 



186 117 

 1S7 118 



188 119 



189 120 



190 121 



191 122 



192 123 



193 124 



194 125 



195 126 



196 127 



197 130 



199 129 



Helix chersina Say. 

 Pupa coutracta Say. 

 milium Gould. 

 modesta Say. 

 curvidens Gould. 

 simplex Gould. 

 exigua Say. 

 fallax Say. 



Cyclostoma marginata Say. 



P. fallax? Say. 

 placida ? Say. 

 Bulimus lubricus Mull. 



Helix lubrica Mull. 



Cionella lubrica Jeffr. 



Achatina lubrica Michaud. 



Turbo glaber Da Costa. 



Cochlicopa lubrica Ferussac. 



Zua lubrica Leach. 

 Succinea ovalis Say. 

 campestris Say. 

 avara Say. 



S. vermeta Say. 

 Auricula bidentata Say. 



Melampus bidentatus Say. 



A. cornea Desh. 

 denticulata Mont. 



Voluta denticulata Mont. 



Actson dcnticulatus Fleming. 



Jaminea denticulata Leach. 



Conovulus dcnticulatus Gray. 



A. myosotis Jeffr. 



Carychium personatum Mich. 



A. personata Desh. 



