INDEX TO HELICES. 



73 



Norton! Braz. 

 Norvegica Esm. ii, 172. 

 Noscibilis Fer. v, 63 ; 

 Nossibeensis Bttg. vi, 



ix, 142 



. ix, 

 40; 

 [ix, 

 . ix, 

 . ix. 



97 



157 

 97 



77 

 74 



Notabilis Fer. 



Notata Dh. 



Notata Poey, . . ix, 



Nouleti LeGuill. ii, 77. 



Noumeensis Crosse, ii, 167 ; 



[ix, 33 



Nova Bgt. . . . ix, 256 

 Nova Paul. . . . ix, 263 

 Novacula Mart, vi, 33 ; ix, 157 

 Novsegeorgiensis Cox, vii, 



[72; ix, 143 

 Novashibernke Q. ii, 39. 

 Novsehol 1 and ue Gray, vi, 91; 



[ix, 129 



Novarse Pfr. . . ix, 18 



Novella Pfr.ii, 41. 

 Noverca Friv. iv, 115 ; ix, 277 

 Novoguineensis Pfr. vii, 42 ; 



[ix, 142 



Novoseelandica Pfr. ix, 30 

 NubeculataDesh. v, 191; ix, 166 

 Nubigena Charp. vi, 84 ; ix, 252 

 Nubigena Lowe, iii, 223. 

 Nubila Charp. . . ix, 252 

 Nubila Zgl. iv. 106. . ix, 302 

 Nucleatus Stol. i, 177. 

 Nucleola Rang, v, 82 ; . ix, 91 

 Nucleus Dh. iii, 207 : . ix, 204 

 Nucula Parr, iv, 247 ; . ix, 320 

 Nuda Pfr. ii, 88. 



Nudata West. . . ix, 273 

 Nullarborica Tate, vi, 181 ; 



[ix, 131 



Numidia Issel. . . ix, 258 

 Numidica Moq. iv, 24 ; ix, 263 

 Nummuliformis Ret. . ix, 260 

 Nummulina Kob. . ix, 268 



Nummus Ehr. iii, 199 ; ix, 268 

 Numm us Issel. iii, 82; ix, 5 

 Nupera Brazier, ii, 210 ; ix, 34 

 Nupta West. . . ix, 320 

 Nuttalliana Lea. . . ix, 199 



NuxdenticulataChemn. v, 82; 



[ix, 91 



Nux Mlldff. vi, 307 ; ix, 214 

 Nux Semp. viii, 5 ; . ix, 228 

 Nya Let. . . . ix, 251 

 Nyassana Smith, ii, 128. 

 Nyelii Mitt, iii, 258 ; . ix, 260 

 Nympha Pfr. . . ix, 220 

 Nympha Pfr. viii, 23 ; . ix, 228 

 Nymphsea Dub. . ix, 304 



Nystiana Pfr. . . ix, 199 



Oajacensis Koch, iii, 50; ix, 199 



OBBA Beck, 

 Ob ba Martens, 

 Obbina Sera p. 

 OBBINULA Stache, 

 Obconica Pse. ii, 49. 

 OBELUS Hartmann, 

 Oberndoerferi Kob. iv, 217; 



[ix, 331 



Oberthuri Anc. 

 Obesa Beck, v, 83 ; 

 Obesior Mart, ii, 91. 

 ObliquataDh. vii, 116; 

 ObliquataMart. . 

 Obliquata Rve. ii, 76. 

 Obliquerugosa Smith, , 

 Oblita Pfr. ii, 98. 

 Obliterata Fer. v, 69 ; 

 Obliterate Hartm. 

 Oblonga Sowb. viii, 269 

 Obnubila Rve. i, 120; 

 Obolus Gld. iii, 61 ; 

 Obruta Morel, iv, 6 ; 

 Obscura C. & F. vi, 302 

 Obseura C. & F. . 

 Obscura Dh. iii, 206; 

 Obscura Mlldff. vi, 230 

 Obscura Mouss. 

 Obscura Pils. 

 Obscurata A. & R. iii, 48. 

 Obscurata Porro, ii, 190. 

 Obscurata Rossm. ii, 190. 

 Obserata Lwe. iv, 40 ; . ix, 241 

 ObsitaPfr. . . . ix, 199 

 Obsoleta Pils. . ix, 76 



ix, 107 

 ix, 105 

 ix, 107 

 ix, 295 



ix, 261 



ix, 256 

 ix, 91 



ix, 221 

 ix, 112 



ix, 343 



ix, 99 

 ix, 252 

 ix, 104 

 ix, 13 

 ix, 25 

 ix, 255 

 ix, 156 

 ix, 190 

 ix, 205 

 ix, 109 

 ix, 272 

 ix, 199 





