60 



INDEX OF SPECIES. 



lanthina 



fragilis, 52, 186, 364, P 185. 



globosa, 52, 251, P 187. 



pallida, 366. 



prolongata, 74, 251, 364, 

 O 366, P 185, P 187. 



striolata, 52. 



striulata, 31, 52, 251, 316, 

 0364,0.366, Pi 85. 



var. contorta, 251, P 

 186. 

 Iberus 



Gaulterianus, P 247. 



sportella, 157. 

 Imperator 



olivaceus, P 227. 



serratus, 98, 138. 



unguis, 29. 

 Infundibulum 



Caiifomicum, 40, 286, P 

 265. 



cliloromphalus, 40. 



Galiioteiise, 82. 



radians, P 264. 

 lopas 



sertnm, P 489. 

 Iphigeuia 



allior, 23, 27, 202, O 245, 304, 

 P42, 



laevigata, 245, 304, 366, 

 P 42, P 548. 

 Iphinoe 



coronata, 72. 

 Isapis 



fenestrata, 99, 114, 142, 241. 



maculosa, 257, 327, P 247, 



P355. 



obtnsa, 99, 142. 



ovoidea, 142, 241, 230, 326, 

 P 355, P 356, U 205. 

 Ischnochiton 

 Beanii, 108, 



Elenensis, 38, 39, 104, 266. 

 var. expressus, 38, 266. 

 flectens, 89, 92. 

 Gothicus, 98. 



Iscnnochiton 



limaciformis, 63, 108. 

 Magdalensis, 18, 107, 135, 151, 



266. 

 Mertensii, 89. 

 Nuttallii, 113. 

 parallelus, 104, 212, 213. 

 pectiuatus, 98. 

 (fvar.) prasiuatus, 104, 213. 

 pseudodentieus, 16, 92, 98. 

 retiporosus, 89. 

 sanguineus, 266. 

 scabricostatus, 98. 

 serratus, 104, 213. 

 trifidus, 89. 

 veredeutiens, 98, 135. 

 Isognomon 



Cbemuitzianus, 24, 27, 107, 199, 



249, 297, O 311, 352, 



O 363, 365, P ISO. 



var. 199. 



Chemnitzii, P 151 : [=-ann3.] 

 costellatus, 107, 349, V 219. 

 flexuosus, 311, 363. 

 incisus, 107. 

 Janus, 107, 250, 311, P 



151- 

 perna, P 150. 



Janira 



bella, 80. 



dentata, 14, 27, 81, 98, 107, 131, 



153. 

 Estrellana, 81. 

 excavata, 131, 153. 

 Jefifreysia 



Alderi, 109, 143, 257, 327, 



P362. 

 bifasciata, 109, 257, 327, 



O 366, P 362, P 363. 

 opalina, 366. 

 translucens, 99, 143. 

 tumens, 257, 327, P 366. 

 Jouannettia 



Darwinii, 251. 

 pectinata, 121. 



