74 



INDEX TO HELICES. 



Obstricta Say, iii, 148; ix, 77 

 Obstructa Fer. iii, 196 ; ix, 266 

 Obstructa Hde. not Fer. ix, 279 

 Obstrusa Fe>. . . ix, 266 

 Obtecta Lwe. iv, 35 ; . ix, 241 

 Obtecta Reinh. vi, 362 ; ix, 120 

 Obtecta West. . . ix, 272 

 Obtusalis Mouss. . ix, 320 



Obtusa Pfr. vii, 132 ; . ix, 222 

 Obtusa West, ii, 171. 

 Obtusangula Pfr. ii, 114. 

 Obtusangula Reinh. ii, 178. 

 Obtusata Ziegl. . . ix, 320 

 Obversa Born. . . ix, 330 

 Obvia Mke. . . . ix, 252 

 Obvoluta Mull, iii, 115; ix, 287 

 Ocampi Streb. iv, 76 ; . ix, 68 

 Occidentalis Reel, iii, 180; 



[ix, 274 



Occlusa Gass. i, 122; . ix, 54 

 Occlusa Mouss. . . ix, 333 

 Occonella Let. & Bgt. . ix, 251 

 Occulta Biv. . . ix, 266 



Occulta Pfr. vi, 266 ; . ix, 122 

 Occultata Paul. . . ix, 302 

 Occultus Cox, iii, 264 ; ix, 10 

 Oceanica Le Guill. iii, 46. 

 Ocellata Parr, iii, 191. 

 Ocellus Villa. . . ix, 252 

 Ochracea Zieg. . . ix, 266 

 Ochsenii Phil, ii, 166. 

 Ochthephila Beck, . ix, 243 

 Ochthephila Orb. i, 64. 

 Ochthoplax Bens, vi, 202 ; 



[ix, 104 

 Oconnellensis Cox, vi, lr>8 ; 



[ix, 134 



Ocskayi Stentz. . . ix, 288 

 Octinella Bgt. viii, 55; ix, 234 

 Octogyrata Mouss. iii, 118; 



[ix, 288 

 Octolamellata Grt. viii, 95 ; 



[ix, 26 



Oculatus Montf. . . i x> 93 

 Oculuscapri Mull, ii, 134. 

 Oculus Pfr. iv, 59; . ix, 210 

 Odarsensis Fag. . . i x , 256 

 Odeca Bgt. . . j x , 271 



Odomphium Raf. . . ix, 69 

 Odontina Morel, ii, 27. 

 Odontognatha Morch. ix, xxiii. 

 Odontophora Bens, iii, 157 ; 



[ix, 148 



ODONTOSAGDA Martens, ix, 64 

 OdonturaF. & C. . ix, 191 



Odopachya Bgt. iv, 140 ; ix, 325 

 Odotropis Raf. . . ix, 69 

 Oecoscia Bgt. ii, 143. 

 Oecoscia Bgt. . . ix, 275 

 Oedesiraa Nev. . . ix, 322 

 Oelandica West. . ix, 307 



Oenostoma Dh. viii, 223 ; 



[ix, 204 



Oenostoma Lwe. . . ix, 293 

 Oertzeni Malz. iii, 229. 

 Oetsea Mart. . . ix, 303 



Oetse Kob. iv, 143 ; . ix, 32(> 

 Officieri Cox, iii, 266 ; . ix, 34 

 Ogiaca Serv. . . ix, 250 

 Oglei G.-Aust. iii, 159 ; ix, 1 46 

 Ogygiaca West. . . ix, 263 

 Okeniana Pfr. v, 110 ; . ix, 90 

 Oldhami Bens, iv, 61 ; . ix, 209 

 Oleacea Sh. iv, 20 ; . ix, 258 

 Oleacina Semp. iii, 71 ; ix, 6 

 Olearis West, ii, 158. 

 OleosaPfr. ii, 127. 

 OLIGOSPIRA Anc. . ix, 154 

 Olisippensis Serv. . ix, 256 



Olivacea Bttg. . . ix, 304 

 Olivacea Mlldff. . . ix, 228 

 Olivacea Pils. vi, 300 ; . ix, 156 

 Olivacea Sut. viii, 75 ; . ix, 18 

 Olivaresi Serv. iii, 229. 

 Olivetorum Herm. ii, 188. 

 Oliviaria Iss. . . ix, 265 

 Olivieri C. Pfr. . . ix, 266 

 Olivieri Fer. iii, 191 ; . ix, 266 

 Olneyce Pils. . . ix, 76 



Oltisiana Fagot, ii, 172. 

 Olympica Roth, iv, 101 ; ix, 303 

 Omalisma Bgt. . . ix, 47 

 Omaloraorpha Orb. i, 64. 

 Omega Pfr. . . . ix, 18 

 Omicron Pfr. i, 115; . ix, 34 

 Omissa Pfr. ii, 175. 



