THE NAUTILUS. 



143 



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

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



Gadinia peruviana 8by. 

 Siphonaria lecanium Cpr. 

 Bulla punctulata Ads. 

 Terebra variegata Gray. 

 Conus princeps Brod. 

 Conus arcuatus 8by. 

 Conus nux Brod. 

 Conus gladiator Brod. 

 Mitra funiculata Rve. 

 Vasum cestum Brod. 

 lijria barnesii Gray. 

 Latirus ceratus Wood. 

 Purpura triserialis Blv. 

 Cantharus sanguinolentus Duel 

 Nassa corpulenta C. B. Ads. 

 Columbella major Sby. 

 Columbella festiva Sby. 

 Anacbis coronata Sby. 

 Anachis sulcosa Sby. 

 Nitidella cribaria Lam. 

 Muricidea dubia Sby. 

 Craspedotriton pcalariformis Br 

 Morunm tuberculosuni Sby. 

 Cypraea arabicula Lam. 

 Trivia pacilica Gray. 

 Strombus gracilior. 

 Ceritliiuni niaculosum Kien. 

 Ceritbiuni uncinatum Gmelin. 

 Cerithium gemmatum Hinds. 

 Planaxis nigritella Forbes. 

 Planaxis nigritella var. 

 Littorina conspersa Pbil. 



The above list has a value 

 justifies its publication — W, H. 



Hipponix grayanus Mke. 

 Crepidula onyx Sby. 

 Calyptraea mammillaris Brod. 

 Trochita spirata Forbes. 

 Crucibulum imbricatum Brod. 

 Natica chemnitzianurn Pfr. 

 Polinices uber Val. 

 Scurria mesoleuca Mke. 

 Turbo squaraigeru.* Rve. 

 Uvanilla unguis Mawe. 

 Tegula globula Cpr. 

 Nerita bernhardi Reel. 

 Fissurella alba Cpr. 

 Fissurella microtrema Sby. 

 Fissurella rugosa Sby. 

 Chiton albolineatu.s Sby. 

 Area grandis B. & S. 

 Perna ohemnitziana Orb. 

 Lima pacinca Orb. 

 Pbacoides lampsus Dall. 

 Cardium consors Sby. 

 od. Cardium magnificum Desh. 

 Venericardia crassicostala Sby. 

 Venericardia cuvieri Brod. 

 Anomalocardia subimbricata Sby. 

 Chione undatella Sby. 

 Paradione squalida Sby. 

 Tellina cumingi Ilanley. 

 Tellinides viridotincta Cpr. 

 Semele proxima C. B. Ads, 

 Tagelus politus Cpr. 

 Thracia plicata Desh. 



for geographical distribution, which 

 Dall, 



