298 BULLETIN 181, UNITED STATES NATIONAL MUSEUM 



Gyclostoma disjunctum, 219. 

 distinctiim, 275. 

 dubiosum, 70. 

 duffianum, 276. 

 dysoni, 203, 207. 

 flavidum, 45. 

 flavula, 45. 

 floccosura, 39, 62, 64. 

 gayi, 278. 



giganteum, 124, 237, 238. 

 glaucostomum, 199. 

 grenadense, 134. 

 guatemalense, 144. 

 guayaquilense, 161. 

 idolum, 25. 

 inca, 267. 



incomptum, 191, 192, 276. 

 inconspicuum, 227. 

 inornata, 61. 

 irregulare, 236. 

 jamaicense, 105, 106, 109, 112. 

 jugosuiii, 71, 76. 

 laxiitura, 244. 

 lutescens, 181. 

 mani, 30. 

 martinicense, 140. 

 inexicanura, 124, 173. 

 moricandi, 220. 

 orbignyi, 46, 47. 

 pallescens. 111. 

 perpallidum, 139. 

 ponderosiim. 182, 276. 

 popayana, 264. 

 prondnula, 277. 

 psilomitum, 274. 

 punim, 162. 

 quitense, 250. 

 rufescens, 56. 

 sclirammi, 57. 

 seminudum, 125, 126, 130. 

 simulacrum, 146. 

 solenatum, 25. 

 stramineum, 198, 276. 

 striata, 165. 

 striatum, 165. 

 subrugosum, 105. 

 suturale, 68, 69. 

 texturatum, 186, 276. 

 tortum, 4, 26, 38. 

 translucidum, 272. 

 variaus, 86, 92, 93, 127, 128. 

 ventricosa, 30. 

 verruculosum, 51. 

 volvulus, 124. 

 vortex, 63. 

 Cyclotus, 41. 

 affinis, 210. 

 ambiguus, 211. 

 amethystinus, 60. 

 angulatus, 228. 

 asperulus, 78. 

 bairdianus, 127. 

 bartletti, 157. 

 berendti, 212. 



Cyclotus beswicki, 79. 

 bisinnatus, 235. 

 bogotensis, 226. 

 boucardi, 175, 177. 

 cingulatus, 228. 

 connivens, 275. 

 cooperi, 180. 

 corpulentus, 217. 

 corrugatior, 84. 

 corrugatissimus, 110. 

 corrugatus, 115, 119. 

 costaricensis, 234. 

 crassus, 113, 115. 

 cycloatus, 110. 

 deburghaeanus, 130. 

 dentistigmatus, 120. 

 duffianus, 277. 

 dunkeri, 230. 

 dysoni, 208. 

 filo-llratus, 267. 

 fischeri, 239. 

 floccosus, 64. 

 gemma, 87. 

 giganteus, 238. 

 glaiicostoma, 200. 

 glaucostomus, 199. 

 gramilatus, 196. 

 inca, 244, 267. 

 incomptus, 189, 191. 

 inutilis, 107, 115. 

 irregularis, 236. 

 jamaicense, 123. 

 jamaiceusis, 115. 

 jugosus, 76. 

 quitensis, 250. 

 laxatus, 244. 

 lineatus, 105, 109. 

 magna, 101. 

 mexicanus, 173. 

 minor, 100, 213. 

 multilineatus, 212. 

 nodosus, 107, 114. 

 notatior, 122, 123. 

 notatus, 107, 114. 

 novae-spei, 115, 117. 

 novussaltui^, 112. 

 pallescens. 111. 

 parva, 76, 77. 

 pazi, 257. 



perdistinctus, 39, 40. 

 perezi, 259. 

 perpallidus, 139. 

 pittieri, 236. 

 popayanus, 264. 

 portlandensis, 93, 94. 

 portoricensis, 59. 

 pretiosus, 127. 

 ruber, 126. 

 rudis-planusque, 131. 

 rufilabris, 78. 

 rugatus, 133. 

 rupisfontis, 74. 

 stramineus, 198. 

 striosus, 75. 



