IV ANNUAL EEPOETS OF DEPARTMENT OF AGRICULTURE. 



l J ;ige. 



Report of the Chief of the Bureau of Animal Industry — Continued. 



Animal Husbandry Division 74 



Dairy Division 88 



Meat Inspection Division . 100 



Quarantine Division 109 



Pathological Division 113 



Biochemic Division 121 



Zoological Division 127 



Miscellaneous Division 131 



Experiment Station 132 



Experiments and demonstrations in live-stock production in cane- 

 sugar and cotton districts 134 



Report of the Chief of the Bureau of Plant Industry 137 



Plant pathological investigations 138 



Plant physiological investigations 142 



Plant-breeding investigations 143 



Agronomic and horticultural investigations 146 



Studies of new crop plants and crop extension 147 



Crop utilization 150 



Investigations of crop handling and standardization 152 



Investigations in quality of seed 154 



Report of the Forester 155 



The National Forests 155 



Cooperation with States 179 



Research 180 



Miscellaneous 190 



Report of the chemist 191 



Research 192 



Conservation of foodstuffs 196 



Technological investigations 198 



Demonstration 199 



Enforcement of food and drugs act 199 



Collaboration 204 



Report of the Chief of the Bureau of Soils 205 



Soil survey 205 



Fertilizer investigations 20S 



Soil chemistry 211 



Soil physics 211 



Report of the entomologist 213 



Work on the gipsy moth and brown-tail moth 213 



Deciduous-fruit insect investigations 216 



Southern field-crop insect investigations 218 



Investigations of insects affecting the health of man 220 



Investigations of insects affecting the health of animals 222 



Cereal and forage insect investigations--' 223 



Investigations of insects affecting forest and shade trees and hardy 



plants 226 



Investigations of insects injurious to vegetable and truck crops .229 



Insects injurious to stored products 232 



Insects affecting tropical and subtropical fruits 233 



Bee-culture investigations 234 



Report of the Chief of Bureau of Biological Survey 237 



Work of the Bureau of Biological Survey 237 



Economic investigations 237 



Biological investigations 242 



Game preservation 244 



Interstate commerce in game 250 



Federal migratory-bird law 251 



Report of the Chief of the Division of Accounts and Disbursements 253 



Character of work 253 



Work of the year 253 



Report of the Editor 257 



Summary 257 



Work of the year 257 



Expenditures for printing and binding, 1916 258 



The Committee on Manuscripts , — _ — 263 



