IV ANNUAL EEPOET OF DEPARTMENT OF AGRICULTURE. 



Report of Chiefs. 



Page. 



Report of the Chief of the Weather Bureau 57 



Stations and observarories 58 



Telegraph service '. 63 



Forecasts and warnings 64 



River and flood service 67 



Meteorological records and publications 68 



Printing division 70 



Library 72 



Seismology 73 



Aerological investigations 73 



Solar radiation investigations 74 



Report of the Chief of the Bureau of Animal Industry 77 



General statement 77 



Foot-and-mouth disease 78 



The animal husbandry division 83 



The dairy division 94 



The meat inspection division 105 



The field inspection division 110 



The quarantine division 113 



The pathological division 117 



The biochemic division 123 



The zoological division 134 



The miscellaneous division 136 



The experiment station 137 



Publications 140 



Experimental and demonstrations in live-stock production in the cane- 

 sugar and cotton districts 141 



Report of the Chief of the Bureau of Plant Industry 143 



Plant pathologival investigations 145 



Plant physiological investigations 147 



Plant breeding investigations 148 



Agronomic investigations 150 



Studies of new crop plants and crop extension 152 



Crop utilization 155 



Ir vestigation of crop handling and standardization 155 



Investigations of quality of seed 157 



Report of the Forester 159 



The National Forests 159 



Cooperation with States 179 



Research 181 



Miscellaneous 189 



Report of the Chemist 191 



Research 191 



Regvdation 195 



Standardization and collaboration 200 



Report of the Chief of the Bureau of Soils 201 



Soil survey 201 



Soil chemistry and soil physics 205 



Report of the Entomologist 211 



Work of the gypsy moth and brown-tail moth 211 



Deciduous-fruit insect investigations 214 



Southern field-crop insect investigations 216 



Investigations of insects affecting the health of man 218 



Investigations of insects affecting the health of animals 219 



Cereal and forage insect investigations 220 



Investigations of insects aflecting forests and forest products 223 



Investigations of insects inj urious to vegetables ana truck crops 225 



Insects injurious to stored crops 227 



Investigations of insects affecting tropical and subtropical fruits 228 



Work in bee culture 230 



Report of the Chief of the Bureau of Biological Survey 233 



Work of the Biological Survey 233 



Economic investigations 233 



Biological investigations 239 



Game preservation 241 



Federal migratory bird law 245 



Publications 246 



