INDEX 171 



Zonites stearnsii (44) Zonitoides pugetensis 43 



viridulus (38), 39 randolphi 43 



Zonitidae 35 Zoogenites 21 

 Zonitoides 42 harpa 12, .?/, 22, 122 



arboreus 42 Zua lubrica (33) 



milium (43) lubricoidea (33) 



minusculus 43 Zurama (22) 



nitidus 42 



