THE NAUTILUS. 



143 



SHELLS COLLECTED AT MANZANILLO, WEST MEXICO, OCT , 1910, 

 BY C. E. ORCUTT, IDENTIFIED BY WILLIAM H. DALL. 



Gadinia peruviana Sby. 

 Siphonaria lecanium Cpr. 

 Bulla punctulata Ads. 

 Terebra variegata Gray. 

 Conus princeps Brod. 

 Conus arcuatus Sby. 

 ('onus nux Brod. 

 Couus gladiator Brod. 

 Mitra funiculata Kve. 

 Vasum cestum Brod. 

 I/yria barnesii Gray. 

 Latirus ceratus Wood. 

 Purpura triserialis Blv. 

 Caniharus sanguiuolentus Duel. 

 Nassa corpulenta C. B. Ads. 

 Colurnbella major Sby. 

 Columbella f'estiva Sby. 

 Anachis coronata Sby. 

 Anachis sulcosa Sby. 

 Nitidella cribaria Lam. 

 Muricidea dubia Sby. 

 Craspedotriton ?ealariformis Brod 

 IVIorum tuberculosum Sby. 

 Cypraea arabicula Lam. 

 Trivia pacifica Gray. 

 Strombus gracilior. 

 Cerithium maculosum Kien. 

 Cerithium uncinatum Gmelin. 

 Cerithium gemuiatum Hinds. 

 Planaxis nigritella Forbes. 

 Planaxis nigritella var. 

 Littorina conspersa Phil. 



The above list has a value for geographical distribution, 

 justifies its publication W. IT. DALL. 



Hipponix grayanus Mke. 

 Crepidula onyx Sby. 

 Calyptraea inamrnillaris Broil. 

 Trochita spirata Forbes. 

 Crucibulum imbricatum Brod. 

 Natica chemnitzianum Pt'r. 

 Poll n ices uber Val. 

 Scurria mesoleuca Mke. 

 Turbo squamigerus Rve. 

 Uvanilla unguis Mawe. 

 Tegula globula Cf>r. 

 Nerita bernhardi RH'!. 

 Fissurella alba Cpr. 

 Fissurella microtrf rna Sby. 

 Fissurella rugosa Sby. 

 Chiton albolineatus Sby. 

 Area grandis B. & S. 

 Pcma cheinnitziana Or!.-. 

 Lima pacifica Orb. 

 Pliacoidcs lampsus Dall. 

 Cardium censors Sby. 

 Cardium magnificum Dosli. 

 Venericardia crassicoslata Sby. 

 Venericardia euvieri Brod. 

 Anomalocardiu subimbricata Sl>y 

 Chione undatella Sby. 

 Paradione squalida Sby. 

 Tellina cumingi Hanley. 

 Tellinides viridotincta C|>r. 

 Semele proxima C. B. Ad.-. 

 Tagelus politus Cpr. 

 Thracia plicata 



