INDEX. 953 



Page. 



Wisconsin, forest products investigations, cooperation with Forest Service. . 97-98 



irrigation experirnent»« 152 



Women, Farmers' In.stilutes, work, etc 144, 743 



Wood rats. See R-Ma. 



Utilization Oliice, transfer to Chicago, investigations, etc 415-41& 



Wood-oil tree, ( hine.-e, introduction and value 78-79 



Woodpeckers, injury to limber 552 



Wool mi ports, value, I'JIO 18 



Worms, presence in imported figs, laboratory studies 450, 457 



Wyoming, biological survey, progress of work 127 



irrigation investigations, cooperation 151 



necrobacillosis in sheep, control methods, quarantine area re- 

 lease, etc 49, 206, 248 



Yearbook, 1909, change in size, prompt issuance, etc 627 



Yeast, analyses by Chemistry Bureau 449 



cultures, distribution, 1!)10 453 



Young people. Farmers' Institutes 144, 743 



Yuma experiment farm, remarks 321 



Zappone, a., report as Chief of Division of Accounts and Disbursements 567-619 



Zebra, hybrids, breeding experiments at Bethesda, Md., experiment station. 215 



Zebra-ass hybrids, breeding experiments 44 



Zones, life and crop, revision and additional work 126 



Zoology, medical and veterinary, index-catalogue, cooperative preparation 



and })ublication 274 



Zygobothria, moth parasite, importation 617 



o 



