ON MOLLUSCA OP THE WEST COAST OP NORTH AMERICA. 251 



Freq. 



Other Localities. 



Subclass PULMONATA. 



Order Geophila. 



Testacellidce. 



230 

 231 



232 



233 

 234 



235 



236 



237 



238 



239 

 2394 

 240 

 241 



Glandina Albersi, Pfr. 

 — turris 



242 



2424 



243 



244 

 245 

 246 



247 



Helicidce. 



Orthalicus zebra, Mull. 



=Bulimus undatus, Lam. 

 -\-B. melanocheilus, Val. 

 -j- Orthalicus livens, Beck. 

 +B. zigzag, Lam. 

 -\-B. princeps, Brod. 



— Ziegleri, PJr 



— PMexicanus, Lam 



Order Limnophila. 



Aurieulidcs. 

 Melampus olivaceus, n. s 



Limnida. 

 Physa aurantia, n. s. 



P. Peruviana, Mke. (non Gray). 



elata, Gld. 



Planorbis tumens, n. s 



=P. tenagophilus, Mke., non D'Orb. 



Order Thalassophila. 



SipJionariada. 

 Siphonaria Lecanium, Phil. 



-, var. palmata., 



- sequilirata, n. s 



-, sp. ind 



248 



Subclass Prosobranchiata. 

 Order Heteropoda. 



lanthinidcB. 



lauthina striulata, n. s 



, var. contorta 



— decollata, nom. prov 



Comp. /. globosa. Swains., and /. prolori' 

 gata, D'Orb. 



Order LateribraucMata. 



Bentaliad(B. 

 Dentalium liratum, n. s , 



- hyalinum, Phil. , 



- corrugatum, n. s 



-pretiosum, Null 



Order ScutibrancMata. 



Chitonidm. 

 Lophyrus articulatus, Sow ,.„., 



e. r. 

 2 



e. r. 

 1 



V. e. 

 n. u. 



n. c. 

 1 

 1 



V. r. 



1 



1 

 e. r. 



Brazils, Peru, Columbia, West 

 Indies, Conchagua. 



San Diego. 



St. Elena, Guayaquil. 



Sandwich Islands, Nuttall. 



San Bias. 



