INDEX 171 



Zonites stearnsii (44) Zonitoides pugetensis 43 



viridulus (38), 39 randolphi 43 



Zonitidae 35 Zoogenites 21 



Zonitoides 42 harpa 12, zi, 22, 122 



arboreus ^ ^---^ ' Zua lubrica (33) 



milium (43) lubricoidea (33) 



minusculus 4$ Zurama (22) 



nitidus 42 



