552 INDEX. 



Mice — Page. 



house, control 282 



native, control work 281 



Michigan, road projects approved, 1918, 1919 401, 403, 406, 407 



Miaratory-bird Treaty Act, administration, violations, etc 293-296, 490^91 



Mildew — 



powdery, apple, control 174 



proofing farm fabrics 233 



Milk- 

 campaigns by county agents 382-383 



condensed and evaporated, studies 98 



food use, increase 94 



market, investigations, 1919 96-97 



powder, stocks and prices, investigations 440 



production — 



191 8, and forecast for 1919 5, 8 



requirements and cost 97 



secretion, studies 98 



surveys, sanitary 96 



Mill, grain, fires and explosions 226 



Minnesota, road projects approved, 1918, 1919 401, 403, 406, 407 



Mississippi, road projects approved, 1918, 1919 401, 403, 406, 407 



Missouri, road projects approved, 1918, 1919 401, 403, 406, 407 



MoHLER, John R., report as Chief of the Bureau of Animal Industry 73-135 



Moles, trapping, cooperative, work, and results 282-283 



Moneys, public, receipts from various sources, 1919 300 



Montana — 



National Bison Range, work, 1919 291 



road projects approved, 1918, 1919 401, 403, 406, 407 



Moth, grape-berry, control by lead arsenate spray 252 



Moths, gipsy and brown-tail, investigations 263-266 



Motion picture activities. Publications Division 323-324 



Motor transportation of farm products 432^33 



Mottling disease, sugar cane 174 



Munitions, excess, utilization for fertilizers 166-167 



Mutton production, forecast, 1919, and estimates, 1909-1919 5, 8 



Naphthalene, properties, study 503 



Napier grass growing in Florida and California 157 



Naval stores, investigations by Chemistry Bureau 232 



Navy- 

 cooperative work of Entomology Bureau 250 



Department, cooperation of Forest ■Service 204, 206, 207, 208 



road projects approved, 1918, 1919 401, 403, 406, 407 



Valentine, Niobrara Game Reservation, work 292 



Negroes, extension work in South, good results 375-376 



Nelson, E. W., report as Chief of Bureau of Biological Survey 275-198 



Nematode — 



clover seed infestation in Idaho 174-175 



disease, wheat control 171 



Nevada, road projects approved, 1918, 1919 401,403,406,407 



New England — 



gipsy and brown-tail moths, area 263 



States, crop fields increase since, 1908 15-16 



New Hampshire, road projects, approved, 1918, 1919 401,403,406,407 



New Jersey, road projects approved, 1918, 1919 401, 403, 406, 407 



New Mexico, road projects approved, 1918, 1919 401, 403, 406, 407 



New York — 



com borer, introduction, damages, and control 513, 515-516 



crop yields increase since 1908 15 



fur farm, experimental, Ess^ex county, work of year 283-284 



road projects approved, 1918, 1919 401, 403, 406, 407 



Nicotine sulphate, control of insects 253, 255, 156, 168 



Nitrate work, cooperative, removal to American University 241 



Nitric acid, ])roduction, electric method, study 241 



Nitrogen — • 



investigation.^, Soils Bureau, 1919 241 



Research Laboratory, American University, cooperative work 241 



