544 INDEX. 



Y. 



Page. 



Yaeger, WilUam L 113 



Yakima reclamation project, Washington 487 



Yuma reclamation project, Arizona and California 476 



Z. 



Zahm, A. F 14,15,105,107,121 



Zetek, James 32 



Zoological Park, National 25 



animals in the collection 74 



gifts 72 



improvements 78 



library 100 



needs 81 



rejiort 72 



Zoology, modern, some aspects of progress in (Wilson) 395 



o 



