468 INDEX. 



Y. 



Page. 



Yakeley, Elida. registrar 10 



Yothei's, M. A., B. S.. assistant in entomology, experiment station 11 



Yothers, Merrill A., B. S., instructor in entomology 10- 



Z. 



/oological department, inventory of 25 



Zoology and physiology, report of department of 80 



