ALPHABETICAL LIST. 



33 



odontina, Mor., 44. 

 Odontognatha, Morch, 65, 

 odoutopliora, B., 70.* 

 Odontostomus, Beck, 123. 

 Odontuea, Cuv. and Fdr., 85. 

 oldhami, B., 73.* 

 oleacea, F^r., 11. 

 Oleacina, Brug., 11, 12. 

 oleosa, Pfr., 332. 

 oligopleuiis, Bl., 285.* 

 olis, Turton, 216. 

 olivacea, Eeeve, 153. 

 olivacea. Sow., 230. 

 olivaceus, Cpr., 219. 

 olivetorum, Gmel., 59. 

 olivieri, Fer., 92. 

 olivieri, Pfr., 133. 

 Omalontx, Orbigny, 2ll.. 

 Omphalina, Raff., 59. 

 oinphalodes, Pfr., 84. 

 Omphaloteopis, Pfeiffer, 319 



to 322. 

 onager, Beck, 143. 

 Onchidium, Buch., 1.* 

 OospiEA, Stoliczka, 182.* 

 opalina, C. B. Adams, 64. 

 opalina. Sow., 118. 

 oparaiia, Pfr., 163. 

 Opeas, Albers, 163. 

 opereularis, Gould, 242. 

 Ophicaedelus, Eeck, 221. 

 ophs, Hauley, 267.* 

 opima, Shuttl., 323. 

 Opisthopoeds, Benson, 263. 

 Opisthostoma, Blanford, 284.* 

 orbiculata, F^r., 107. 

 orbiculata. Say., 329. 

 orbignyi, Pfr., 296. 

 orbignynianum, Petit, 314. 

 orbus, Bl,, 130.* 



orcella. Stol., 192.* 

 orcula, B., 192.* 

 oreas, B., 168.* 

 oreas, Koch, 106. 

 oregonensis, Lea, 210. 

 oregonensis, Tryon, 247. 

 orientalis, B., 213. 

 orientalis, Friv., 129. 

 orientalis. Parr, 191. 

 ornata, Gund., 204. 

 (ornatella, Beck), 35. 

 ornatissima, B., 31.* 

 orobia, B., 48,* 170.* 

 orophilus, B., 274.* 

 Oephnus, Albers, 122. 

 Oethalicus, Beck, 199. 

 orthoceras, God.-Aust., 172.* 

 orthostoma, Menke, 176. 

 orthostjlus. Beck, 118. 

 oryza, Brug., 163. 

 osberti, Tristam, 319. 

 osculans, C. B. Adams, 64. 

 osculans, Hald., 229. 

 OsTODES, Pease, 283. 

 otabeitana, Brug., 149. 

 Otina, Gray, 216. 

 otiphorus, B., 292.* 

 Otopoma, Gray, 306.* 

 Otosxomus, Beck, 138. 

 ottonis, Pfr., 62, 314. 

 ovalis, Gray, 233.* 

 ovalis. Say., 211. 

 ovalis, Sow., 240. 

 ovata, Bl., 183.* 

 ovata, Drap., 238. 

 ovata, Kiist., 217. 

 ovata, Newcomb, 153. 

 ovata, Pfr., 222.* 

 ovata. Say., 198. 

 ovatus, Brug., 121. 



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