78 CALIFORNIA ACADEMY OF SCIENCES. 



MOLLUSCA (Continued). 



Family XL VII. Physkhe 196 



Genus Physa Dkaparnauu 19(i 



158. heterostropha Say 196 



SUPERFAMIL Y DITREMA TA 196 



Family XL VIII. Auriculida 196 



Subfamily Melampince 196 



Gemis Melampiis Montfort 196 



159. olivaceus Carpenter 197 



SUPERFAMILY PETROPHILA 197 



Family XLIX. Gadiniidce 197 



Genus Gadiuia Gray 197 



160. reticulata Sowkrby 197 



SuPEROKDER StREPTONEURA 198 



Order Ctenobranchiata 198 



SUPERFAMILY TOXOGLOSSA 198 



Family L. Terebridre 198 



Genus Terebra Bruguiere 198 



Section Acus (Humphrey) Gray 198 



161. (A.) simplex Carpenter 198 



Family LI. Conidce 199 



Genus Conus Linne 199 



162. ealifornicus Hinds 199 



Family LI I. Pleu rotomidte 1 99 



Genus Pleurotoma Lamarck 199 



163. perversa Gabb 200 



Subgenus Borsonia Bellardi 200 



164. (B.) bartschi, sp. uov 200 



165. (B.) dalli, sp. nov 201 



166. (B.) booveri, sp. nov 201 



Subgenus Leucosyriux Dall 202 



167. (L.) pedroaua, sp. nov 202 



Subgenus Geuota Adams 202 



Section Dolichotoma Bellardi 202 



168. (D.) carpenteriaua Gabb 202 



169. (D.) cooperi, sp. nov 203 



170. (D.) tryoniana Gabb 203 



GenusDrillia Gray 204 



171. cancellata Carpenter 204 



172. hemphilli Stearns 204 



[S. D.] incisa Carpenter 205 



173. inermis Hinds 205 



174. inermis, var. penicillata Carpenter 205 



175. johnsoni, sp. nov 206 



176. merriami, sp. nov 207 



177. montereyensis Stearns 207 



178. pudica Hinds 208 



179. renaudi, sp. nov 208 



180. torosa Carpenter 209 



Genus Bela Gray 209 



181. fidicula Gould 209 



182. sanctfe-moniciB, sp. nov 210 



Genus Mangilia (Leach) Kisso 210 



Subgenus Clatburella Carpenter 210 



183. (C.) couradiana Gabb 210 



Subgenus Cytbara Schumacher 211 



184. (C.) branueri, sp. uov 211 



Subgenus Mangilia Ris.so, s. s 211 



185. (M.) augulata Carpenter 212 



186. (M.) hooveri, sp. nov 212 



