IV 



PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 89 



Ctenopoma rotundatum, 252. 



rugulosum, 153, 154, 155. 



sculptum, 167. 



seroicoronatum, 278. 



torquata, 249. 



torreianum, 143. 



tryoni, 301. 



undosum, 254. 



wrightianum, 157. 

 Cubadarasiella, 240. 

 Cubitasiphona, 163, 198, 201. 

 cucullatum, Opisthosiphon, 168, 169, 



170. 

 cumbrensis, Annularia, 299, 300, 324. 

 cumulata, Annularia, 366. 

 cumulata, Tudora, 369. 

 cunaguae, Opisthosiphon, 199, 205. 

 Cyclostoma abnatum, 229. 



agassizii, 312. 



aguilerianum, 189. 



alatum, 350. 



arangianum, 333. 



architectonicum, 317. 



arquesi, 372. 



auricomum, 348. 



bilabiata, 221. 



bufo, 261. 



candeanum, 331. 



chordatum, 239. 



clathratum, 161. 



coronadoi, 296. 



coronatum, 151. 



daudinoti, 236. 



decoloratum, 265. 



denegatum, 161. 



disjunctum, 196. 



dorbignyanum, 221. 



eburneum, 345. 



echinatum, 165. 



echinus, 339. 



enode, 276. 



erectum, 233. 



excurrens, 139. 



fragile, 365. 



garridoianum, 280. 



heynemanni, 371. 



honestum, 151. 



illustre, 331. 



immersum, 146. 



incultum, 331. 



interruptum, 305. 



interstitiale, 377. 



jimenoi, 311. 



latum, 383, 384. 



limbiferum, 306. 



lurida, 234. 



luridum, 234. 



mackinlayi, 353. 



mactum, 325. 



majusculum, 325. 



megacheilos, 248. 



minium, 336. 



moreletiana, 196. 



nigriculum, 239. 



nobilitatum, 259. 



nodulatum, 153. 



Cyclostoma perplicatum, 320. 



perspectivum, 264. 



pretrei, 341. 



procax, 243. 



pterostomum, 225. 



pulverulentum, 254. 



pupoides, 194. 



rangelinum, 280. 



rotundatum, 252. 



rugulosum, 155. 



salebrosum, 221. 



sculptum, 167. 



semicanum, 294. 



semicoronatum, 278. 



sordidum, 296, 297. 



textum, 228. 



torquata, 249. 



tractum, 327. 



troscheli, 257. 



undosum, 254. 



vannostrandi, 293. 



yaterasense, 370. 



yunquense, 379. 

 Cyclostomus heynemanni, 371. 



rectus, 271. 



romeri, 368, 372, 373. 

 Cylindrosiphona, 163, 215. 



dalli, Dallsiphona, 216. 

 dalli, Opisthosiphon, 216. 

 Dallsiphona, 133, 216. 



dam, 216. 

 daudinoti, Choanopoma, 236, 

 daudinoti, Cyclostoma, 236. 

 daudinoti, Parachondria, 231, 236. 

 decolorata, Choanopoma, 265. 

 decolorata, Tudora, 265. 

 decoloratum, Cyclostoma, 265. 

 deficiens, Ctenopoma, 144. 

 deficiens, Torrella, 143, 144. 

 degeneratum, Opisthosiphon, 183. 

 deiicatulum, Xenopomoides, 217. 

 denegatum, Cyclostoma, 161. 

 detectum, Opisthosiphon, 168, 190, 191, 

 detectum, Opisthosiphon, 191. 

 deviatum, Opisthosiphon, 199, 213. 

 Diplopoma, 282, 314. 



architectonicum, 317, 318. 



torrei, 315. 

 disjunctum, Cyclostoma, 196. 

 distincta, Annularia, 307, 308. 

 dorbignyanum, Cyclostoma, 221. 



eburnea, Annularia, 345. 

 eburneum, Choanopoma, 345. 

 eburneum, Cyclostoma, 345. 

 echinatum, Ctenopoma, 165. 

 echinatum, Cyclostoma, 165. 

 echinatum, Opisthosiphon, 163, 165. 

 echinus, Annularia, 338, 339. 

 echinus, Blaesospira, 338, 339. 

 echinus, Choanopoma, 339. 

 echinus, Cyclostoma, 339. 

 elongatum, Chondropoma, 322. 

 enode, Ctenopoma, 276. 

 enode, Cyclostoma, 276. 



