INDEX OF SPECIES. 



91 



Fholadopsis 



pfcctiuata, 121, 265, V 209. 

 Fholas 



acuminata, O 184. 



Californioa, 121, 194, 202, 



231, 234, V 209. 

 Californiensis, 174. 

 calva, 184. 

 Candeana, 121. 

 concamerata, 87, 121, 194, 



202, 211, 228, V 210. 

 cornea, 184, 229. 

 crucifera, 280. 

 crucigera, 23, 205, 184, 280, 



02 99 . 



curta, 184, 191. 

 dactylus, 205. 

 Darwiuii, 251. 



Janellii , 1 2 1 , 1 94, 202, V 209. 

 lanceolata, 23, 280. 

 laqueata, 39, 280. 

 var. nana, 184. 

 oblongata, 121. 

 ovoidea, 226, 231, 234, 



U 198. 

 penita, 87, 121, 194, 202, 



211, 231, V 210. 

 retifera, 121. 

 rostratra, 15, O 203. 

 truncata, 121. 

 tubifera, 205, 280. 

 xylophaga. 205, 280, 299. 

 Phorcus 



Californicus, 253, 286, P 235. 

 euryomphalus, 139. 

 liratus, P 235. 

 maculosus, 139. 

 marcidus, 139. 

 Panamensis, 295. 

 pulligo, 19, 21, 139. 

 umbilicaris, P 235. 

 variegatus, 253, P 234. 

 Phos 



articulatus, 206, 343. 

 biplicatns, 284, 343, S 166. 

 crassus, 206, 268, 343. 



Phos 



gaudens, 25, 206, 342. 



seuticosus, 206. 



turritus, 186, 343. 



Veraguensis, 206, 342. 

 Phrontis 



xanthostoma, P 495. 

 Phylliroe 



Lichtensteinii, 173. 

 Phyllonotus 



bicolor, 28, 112, 153, 264, 

 345, P 524- 



brassica, 28, 155, 264, 345, 

 P523- 



imperialis, 345. 



nigritus, 28, 152, 153, 182, 0264, 

 345, P 52i. 



nitidus, 264, 345, P 523. 



oxyacanthus, 345. 



princeps, 28, 112, 264, 345, 



P 525. 



radix, 182, 345 

 regius, 182, 264, 345, P 524, 



P525- 

 Physa 



ampullacea, 160. 



aurantia, 27, 237, 251, 316, 



0364. 

 aurea, 160. 



bullata, 85, 1 60, 283, 316. 

 Charpentieri, 160. 

 concolor, 161. 

 costata, 1 1 8, 160. 

 cylindrica, 160. 

 elata, 27, 227, 296, 316, 



364, P 1 80, U 203, V 220. 

 elliptica, 160. 

 elongata, 85, 161. 

 elongatina, 161. 

 fontinalis, O 222. 

 fontana, 160. 

 Gabbii, 160. 

 glabra, 160. 

 gyrina, 160. 

 heterostropha, 85, 93, 116, 120, 



1 60. 



