ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 233 



Lithopliagus attenuatus, Desh. 180. San 



Diego. 



, sp. hid. 183. San Diego. 



Pectunculus gig anteus, Jive. 32. Guaymas. 

 — — assimilis, Sow. 86. ?Mazatlan. 

 Avicula sterna, Gld. 60. ? Mazatlan. 

 Meleagrina, sp. 80. ? Mazatlan. 

 Perna fiexuosa, Sow. = Chemnitziana, 



D'Orb. 81. Mazatlan. 



, = Chemnitziana. 103. LaPaz. 



Pecten ? purpuratus = ventricosus, Sow., 



with Bivonia indentata. 144. ? San 



Diego. 

 latiauritus, Conr. + monotimeris, 



teste Nutt. 131. San Diego. 



nodosus. 3. La Paz. 



dentatus, Sow. 6. La Pa^. 



Hinnites gigantea, Gray = IL Poulsoni, 



Conr. 1834. 149. Saw Die^o. 

 Spondylus "varians,So*w." 1. La Paz. 

 " pictorum, Chem.= crassisquama, 



Lam." 2. La Paz. 

 Ostrea Cnmingiana, Dkr. 5. La Paz. 



palmula, Cpr. 147. San Diego. 



conchaphila, Cpr., 1*5 in. long; very 



thin; (Oregon, San Diego, Nutt.), no 



tendency to crenations ; striped. 174. 



/Saw Diego. 

 Bulla nebulosa, Gld. 175. /Saw Diego. 

 Bulimus vegetus, Gld.— pallidior, Sow. 



San Juan. 

 Helix tudiculat a, Binney. 151. SanDiego. 



Kellettii, Forbes. 152. San Diego. 



Melampus olivaceus, Cpr. 193. SanDiego. 

 Chiton articulatus, Br. 74. Mazatlan. 



Blainvillei, Br. 133. San Diego. 



Magdalenensis,Hds. 72. Mazatlan. 



Patella Mexicana, Lam. 67. Mazatlan. 



■ ~ discors, Phil. 125. Mazatlan. 



Acmcea? 125. ? Mazatlan. 



gigantea=Kochii, Phil. 166. San 



Diego. 

 pintadina, Gld. =verriculat a, Rve. 



z=patina, var. 66. Mazatlan [?]. 

 ,—mesoleuca, Mke. 65. Ma- 

 zatlan. 

 , = leucoplusa, Nutt. -=pelta, 



Esch. 75. Mazatlan [?]. 

 , =fascicularis, Mke. 164, 



177- San Diego. 



. ? 167. SanDiego. 



=scabra, Nutt., var. 168,178. 



San Diego. 



, =Oregona, var. Nutt. =per- 



sona, Esch. 169. San Diego. 



• [scabra, Gld. = spectrum, Nutt. 



179. SanDiego. 



? spectrum, var. [M ay be an arau- 



cana, D'Orb., imported from Valpa- 

 raiso] .j 64. Mazatlan [?]. 



Acmceapatina, var. cinis, Rve. 116. Mont. 

 , var. tessellata, Nutt. 165. 



San Diego. 

 IFissurella. 163. SanDiego. 



virescens, Sow. 70. Mazatlan. 



volcano, Sow. 163. San Diego. 



Turbo Jluctuosus , Wood=Fokkesii, Jonas. 



148. San Diego. 



. 120. Mazatlan. 



Trochus unguis, Wood =-digitatus. 108. 



? Mazatlan. 



filosus. 157. San Diego. 



dolarius. 115. Monterey. 



virgineus. 114. Monterey. 



• olivaceus, Wd. 92. ? Mazatlan. (A 



specimen, no. 388, marked " Sandwich 



Is.' ? must have been imported there.) 

 Monterey i, Kien. ■= Pfeifferi, Phil. 



113. Monterey. 

 (Omphalius) fuscescens, Phil. 123. 



? Mazatlan. (The O. Calif ornicus, A. 



Ad., appears to be only a flattened var. 



of this shell.) 

 " aureotinctus, Fbs. = cateniferus, 



Pot." 186. San Diego. 

 striatulus, Kien, = brunneus, Phil. 



Mus. Cum. 187- San Diego. 

 pyriformis, G\d.=gallina, var. M. 



Cum. 155. San Diego. 

 Nerita multijugis, Mke. = scabricosta, 



Lam. 118. Panama. 



Bernhardi, Reel. Guaymas. 



Neritina picta, Sow. 126. St. Michael. 

 Calyptrcea regularis, C. B. Ad.= Galerus 



mamillaris, Brod. 51. Mazatlan. 

 Crucibulum spinosum, Sow. 190. S.Diego. 

 Crepidula explanata, Gld. = exuviata, 



Nutt.=joer/braw5,Val. 112. Monterey. 

 Aletes squamigerus, Cpr. San Pedro. 

 Modulus " ? disculus, Phil." (perhaps ca- 



tenulatus, Phil.). 82. Mazatlan. 

 Cerithium irroratum, G\d.=stercusmus- 



carum, Val. 78. Mazatlan. 

 Cerithidea fuscala, Gld. = sacrata, var. 



teste Nutt. San Diego. 

 Potamis Hegewischii, Gld. = Cerithi- 

 dea varicosa, var. Mazatlanica. 71. 



Mazatlan. 

 Ovidum variabile, C. B. Ad. =.Califomi- 



cum, Mus. Cum. 36. San Juan. 

 Cyprcea radians, Lam. 68. Mazatlan. 

 Cancellaria goniostoma, Sow, 56. Ma- 

 zatlan. 

 S trombus gracilior, Sow. 8. La Paz. 

 Terebra arguta, Gld. =fulgurata, Phil. 



35*. San Juan. 

 Conus regularis, Sow. 23, 25. Guaymas. 



princeps, Linn. 90. San Juan. 



, sp. ind. 33. Guaymas. 



, sp. ind. 35, Guaymas. 



