42 



*n. Callistochiton expres sus Carp. 



H. A. PlLSBRV. Man. XIV, Pag. 268. 

 Panama. 



*i2. Callistochiton deeorahis Carp. 



H. A. Pilsbrv. Man. XIV, Pag. 269; XV, Pag. 87. 



Todos Santos Bay, in der Nahe des San Tomas-FIusses; San Diego, Californien. 



var. punctocostatus Pilsbry. 



H. A. Pilsbry. Nautilus, Vol. X, 1896, Pag. 49. 

 Long Beach, Californien. 



*i3. Callistochiton crassicostatus Pilsbry. 

 H. A. Pilsbry. Man. XIV, Pag. 264. 

 Monterey, Californien. 



:i: i4. Callistochiton palmulatus Carp. 

 H. A. Pilsbry. Man. XIV, Pag. 262. 

 Sta Barbara, Monterey, Californien. 



var. mirabilis Pilsbry. 



H. A. Pilsbry. Man. XIV, Pag. 263. 



San Diego, Californien. 



"15. Callistochiton gabbi Pilsbry. 



H. A. Pilsbry. Man. XIV, Pag. 270. 

 Golf von Californien. 



Nuttallina Carpenter. 



1 . Subgenus Nuttallina Carpenter. 



*i. Nuttallina alter nata Sow. 



H. A. Pilsbry. Man. XIV, Pag. 281. 

 Japan. 



*2. Nuttallina ealiforniea Nuttall. 



H. A. Pilsbry. Man. XIV, Pag. 279. 

 Vancouver, Californien. 



