INDEX TO HELICES. 



53 



InfansPfr.ii, 95. 

 Infantilis Gredl. ii, 216; ix, 168 

 Infausta Blanf. ii, 103. 

 Infecta Parr. . . ix, 50 



Infecta Rv. iii, 23 ; . ix, 32 

 InflataBlz. . . ix, 301 



Inflata Dh. . . ix, 99 



Inflata Mlldff. vi, 199; ix, 103 

 InflatusRve. i, 172. 

 Inflecta Say, iii, 146 ; . ix, 76 

 Inflexa Klein, . . ix, 300 

 InformisMouss.viii,282; ix, 134 

 InfortunataPfr. ii, 201. 

 Infracinctus Hde. ii, 216. 

 Infracostata Westerl. . ix, 341 

 Infrastriata Sra. iii, 80 ; ix, 5 

 Infrendens Old. ii, 132, 220. 

 Infula Bens, ii, 52. 

 InfulataPaul, . . ix, 263 

 Infumata Old. iv, 70 ; . ix, 199 

 Infundibvlum H. & J. . ix, 18 

 Infuscata Alb. vii, 152; ix, 223 

 Ingallsiana Shutt. . ix, 77 

 Ingenua Bgt. . . ix, 251 

 Ingens C. B. Ad. v, 1 03 ; ix, 89 

 Ingersolli Bid. iii, 101 ; ix, 57 

 Ingloria Hde. . . ix, 170 

 Ingoi Cafic. . . ix, 256 



Ingrami Blanf. iii, 69. 

 Inhluzana M. & P. . ix, 173 

 Initialis Hde. iv, 62 ; . ix, 210 

 Injussa Blf. ii, 55. 

 Innominata Gray, . ix, 242 

 Innominata Hde. viii, 197 ; 



[ix, 207 



Inornata Kob. . . ix, 301 

 Innoxia Bgt. . . ix, 266 

 Inopinata Dh. viii, 207 ; ix, 206 

 Inops Morel. . . ix, 340 

 Inops, Mouss. iv, 26; . ix, 263 

 Inornata H. & J. ii, 77. 

 Inornata Rossm. . ix, 301 



Inornata Say, ii, 184. 

 Inozonites Pfr. ii, 6, 46. 

 Inquinata Busch, ii, 82. 

 Inquieta Dohrn, viii, 273 ; 



[ix, 124 

 Insculpta Pfr. ii, 48. 



Insignis Bgt. ii, 51. 

 Insignis Branc. . . ix, 319 

 Insignis d'Orb. ii, 164, i, 66. 

 Insititia Shutt. v, 121; . ix, 93 

 Insolida Auct. . . ix, 301 

 Insolita Zgl. iv, 98 ; . ix, 301 

 Instabilis Zieg. iii, 248 ; ix, 252 

 Instricta Mart. . . ix, 111 

 Instrumosa Dall, . ix, 185 



Insubrica Jan. iv, 101 ; ix, 302 

 Insularia Tap.-Can. . ix, 136 

 Insularis Ben. iv, 206 ; ix, 331 

 Insularis Cr. & Deb. iv, 112; 



[ix, 305 



Insularis Iss/ . . ix, 259 

 Inmlarum Beck, . ix, 73 



Insularum West. . ix, 204 



Intaminata Old. . ix, 219 



Integrivittis Anc. . ix, 324 



Intensa Pils. v, 22; . ix, 186 

 Intensior Pils. vi, 28 ; . ix, 157 

 Intensior Pils. . . ix, 226 

 Interamnensis Bgt. . ix, 319 

 Intercarinata Migh. . ix, 26 

 Intercedens Retowski, . ix, 322 

 Intercisa W. G. B. iv, 74 ; 



[ix, 200 



Intermedia C. & F. . ix, 190 

 Intermedia Fer. iv, 109; ix, 303 

 Intermedia Mlldff. . ix, 337 

 Intermedia Paul, . . ix, 302 

 Intermedius Alb. i, 61. 

 Intermissa Mouss. ii, 193. 

 Intermixta Mouss. . ix, 25 



Interna Say, ii, 198. 

 Interpres West, iii, 242; ix, 252 

 Interrupta Bens, ii, 17. 

 Intersecta Mich, iv, 13 ; ix, 255 

 Intertexta Binn. ii, 196. 

 Intestlnalis Schliit. . ix, 284 

 Intincta Shutt. vii, 154 ; ix, 220 

 Intonsa Godw.-Aust. ii, 60. 

 Intonsa Pils. viii, 111 ; . ix, 57 

 Intorta Sowb. vii, 125; ix, 220 

 Introducta Zgl. iii, 242 ; ix, 250 

 Introferens Bid. iii, 145 ; ix, 76 

 Intumescens Bens, ii, 16. 

 Intumescens Mts. iv, 54; ix, 209 



