INDEX ALPHABÉTIQUE 485 
Omphalotropis major, Mor., 271, 
273, 281. 
Omphalotropis 
272 28 
Omphalotropis Moebii,; Mart., 281. 
Omphalotropis Moreleti, Pease, 276. 
Ombphalotropis multilirata,  Pf., 
272, 293, 295, 296, —modes atte- 
nualus et subobsoletus, 297;=— 
var. Hamel, \Cr., 272,296; var. 
littorinula, Cr., 272, 296. 
Omphalotropis piclurata, Ad., 272, 
284. 
Omphalotropis plicosa, Pf., 272, 
291, 293; var. harpula, Kob., 292. 
Omphalotropis Rangi, Fér., 272, 
270, 288. 
Omphalotropis rubens, Q. et G., 
271, 274, 277, 280, 286, 283, 200, 
301; var. Moreleti, Désh., 271, 
276. 
Omphalotropis taeniata, Cr., 272, 
280, 298. 
Omphalotropis 
272, 282; — var. subvariegata, 
Germ:, 1272, 0284 
Oncaea, 178. 
Mobiusi, 
Mart., 
variegata, Mor., 
Onchidium  punctulatus, Rang., 
218. 
OrraAs 19à 
Opeas acutius, Mall., 195. 
Opeas aegyptiaca, Bourg., 196. 
Opeas clavulinum Boettg., 201. 
Opeas clavulinum, Pot. et Mich., 
197; formes diverses de cet Opeas, 
198. 
Opeas dresseli, Mill., 202. 
Opeas gracile, Hutt., 194, 200. 
Opeas goodalli, Mill, 206. 
Opeas henshawi, Sykes, 207. 
Opeas indicus, Dautz., 196. 
Opeas javanicensis, Reeve, 200. 
Opeas mauritianensis, Pf., 197, 
198. 
Opeas micra d’Orb., 201. 
Qpeas octonoides, Mart., 202. 
Opeas subula, Fisch. et Cr., 195. 
Ofeas Swifti Pf., 200. 
Opeas Swiftianum, Pilsb., 200. 
Orcula  clavulata, Ad, 12. ©: 
ORTOGIBBUS, 22, 30. 
Orthogibbus Adamsi Nev., 79, 80, 
81. 
Orthogibbus bacillus, Pf., 57, 79, 
80, 82. 
Orthogibbus Barclayi Ad., 58, 59, 
61, 66. 
Orthogibbus Bourguignati Desh., 
56; var. intersecta Desh., 57. 
Orthogibbus brevis Mor., 44, 45. 
Orthogibbus calliferus Mor., 58, 
59, 62, 63. 
Orthogibbus chloris, Crosse, 86. 
Orthogibbus cylindrellus, Ad., 78. 
Orithogibbus Deshayesi Ad., 85. 
Orthogibbus Duponti Nev., 50, 79, 
80, 81. 
Orthogibbus farinosus Küst., 44, 
SA 
Orthogibbus funiculus Val., 40, 51, 
92, 54. 
Orthogibbus helodes Mor., 32, 40; 
forma elata et globosa, 34. 
Orthogibbus holostomus Mor., 50, 
58, 59, 62, 66. 
Orthogibbus majusculus Mor., 30, 
Orthogibbus mauritianensis, Mor., 
38, 40, 54; Var. $ minor, 38. 
Orthogibbus metablatus, Crosse, 
36, 37» 38, 54- 
Orthogibbus modiolinus Mor., 45, 
55: 
Orthogibbus modiolus Fér., 23, 34, 
35, 4o, 42, 46, 1545 — forma 
elata, globosa, 36, 37, 42; forma 
ponderosa, 42; — var. fuscus 
Nev., 38; var. mauritianensis 
Mor., 39: 
Orthogibbus Mondraini Ad., 58, 
59, 60, 66; var. Barclayi Ad. 
62. 
Orthogibbus Mülleri, Mor., 27. 
Orthogibbus Nevilli Ad., 72. 
Orthogibbus Newton: Ad., 29, 30. 
