1903.] 



NATURAL SCIENCES OF PHILADELPHIA 



853 



Zenaidura macroura 26 



Zeus vomer 328 



Zonites andrewsoe 206, £09 



capseUa 206, 210, 2t2 



placentulus 206, ^iO 



significans 206, 212 



Zonites simpsoni 212 



Zonitidce 204,766 



Zonitoides arboreus 213, 762, 76S 



minusciilus 213, 768 



Zonotrichia leucophrys 28 



