‘ 
x 
; 
s 
CALIFORNIA A 
“DEMY OF SCIENCES. 
' 
Il. 
1. Bulimus pailidior, Sby. 
2. Helix Veatchii, Newe. 
| Loaned by Smi t¢hgonian Institution. ees 
VITALITY OF LAND MOLLUSKS. (STEARNS,) 
(TO FACE PAGE 185.) 
