82 



37. asperrimus, Lea. 83. 



38. asterianus, Dup. 84. 



39. atratus, Lea. 85. 



40. atratus, Gold. 86. 



41. atro-costatus, Lea. 87. 



42. atro-marginatus, id. 88. 



43. auratus, id. 89. 



44. Australis, Lam. 90. 



45. Aztecorum, Phil. 91. 



46. Baudinii, Kiist. 92. 



47. Barnesianus, Lea. 93. 



48. Barratii, id. 94. 



49. Batavus, Lam. 95. 



50. Bengalensis, Lea. 96. 



51. Beskeanus, Bunk. 97. 



52. biangulatus, Zea. 98. 



53. Bigbyensis, id. 99. 



54. Biggorensis, Millet. 100. 



55. bil meatus, Lea. 101. 



56. Binneyi, u?. 102. 



57. Blandingianus, «7. 103. 



58. Bonellii, id. 104. 



59. Bonneaudii, Eyd. 105. 



60. Bournianus, Lea. 106. 



61. Boscianus, Dunk. 107. 



62. Boydianus, Zea. 108. 



63. Boykinianus, id. 109. 



64. brevidens, id. 110. 



65. Brownii, id. 111. 



66. Brumbyanus, i«T. 112. 



67. Buckleyi, zo 7 . 113. 



68. Buddianus, id. 114. 



69. Burroughianus, id. 115. 



70. Buscliianus, id. 116. 



71. buxeus, «?. ]17. 



72. cselatus, Con. 118. 



73. cseruleus, Lea. 119. 



74. Caffer, Krauss. 120. 



75. Caillaudii, Fez: 121. 



76. calceolus, Zra. 122. 



77. cabginosus, id. 123. 



78. calimatorum, More. 124. 



79. callosus, Lea. 125. 



80. Cambodiensis, id. 126. 



81. camelus, s'a 7 . 127. 



82. camptodon, Say. 128. 



capax, Green. 129. 



caperatus, Zeo. 130. 



capsreformis, ic?. 131. 



carbonarius, id. 132. 



carbonarius, Bronn. 133. 



cariosus, /Say. 134. 



Carniolicus, Zi?/aZ 135 



Casablanca?, PJdli. 136. 



castaneus, Lea. 137. 



centralis, &w. 138. 



Charraanus, D'Orb. 139. 



Childreni, Gray. 140. 

 Cincinnatiensis, Lea. 141. 



circulus, id. 142. 



Claibornensis, ?'aJ. 143. 



Clarbrianus, id. 144. 



clavus, Zflw. 145. 



coccineus, Lea. 146. 



collhius, Con. 147. 



Coloradoensis, Zea. 148. 



cornplanatus, id. 149. 



compressus, /Sow. 150. 

 compressissimus, Zea.151. 



concavus, id. 152. 



concinnus, Soio. 153. 



confertus, Lea. 154. 



confragosus, /a 7 . 155. 



Congarreus, id. 156. 



Convadicus, z'a 7 . 157. 



constrictus, Con. 158. 



contradens, Lea. 159. 



Cooperianus, «'«?. 160. 



cor, Con. 161. 



cordiformis, #om\ 162. 



coriaceus, Dunk. 163. 



cornutus, Bar. 164. 



Corrianus, Zea. 165. 

 Corrientesensis,Z' Or. 166. 



corrugatus, Ze£. 167. 



crassidens, Lam. 168. 



crassissimus, Soto. 169. 



crassiusculus, z'tf 7 . 170. 



crassus, Retz. 171. 



creperus, Zea. 172. 



crocatus, id. 173. 



crocodilorum, More. 174. 



cucumoides, Zea. 



cultelliformis, Con. 



CumberlandianiiSjZtfa . 

 . Cumingii, id. 

 , cuneolus, id. 

 . cuprinus, id. 

 . Curryanus, id. 

 . Cuvierianus, id. 

 . cylindricus, Say. 

 . cyrenoides, Phil. 

 . dactylus, Lea. 

 . Damnoica, D'Orb. 

 . Dariensis, Lea. 

 . decissus, id. 



declivis, Say. 



decoratus, Lea. 



debiseens, id. 



dehiscens, Say. 



delodontus, Lam. 



delplnnus, Grun. 



delphinulus, More. 



deltoideus, Lea. 



delumbis, Con. 



depressus, Lam. 



depressus, Sow. 



destructilis, Fill. 



digitatus, More. 



diluvii, D'Orb. 



discoideus, Lea. 



discus, id. 



distortus, Bean. 



divaricatus, Lea. 



divergens, Bens. 



dolabraformis, Lea. 



dolabelloides, id. 



dolobratus, Sow. 



donaciforrais, Lea. 



Dorfeuillianus, id. 



Duprei, Reel. 



dorsuosus, Gould. 



dromas, Lea. 



Drouetii, Dup. 



Dankerianus, Lea. 



Durieui, Desh. 

 Duttonianus, Lea. 

 ebenus, id. 



