CALIFORNIA ACADEMY OF SCIENCES. 



VOL. VI. 



II. 



1. Bulimus pallidior, Sby. 



2. Helix Veatchii, Xewc. 



Loaned by Smitbsoniau Institution. 



VITALITY OF LAND MOLLUSKS. (STEARNS. J 



(to FACe"paGE 185.) 



