934 ANNUAL REPORTS DF UEPARTMENT V,F AGRICILTURE, 



rage. 

 Ground pquirrcl. See ahn Squirnl • 



Ground-water supply, importance in dry farming 506-507 



Guam, ajjricultunil <lev<'l(jj)mont 148 



Experiment Station, ])ur(hase of leased land, work, etc 755 



review of work by Secretary 147-148 



work 755-757 



Guinea l)i!;s, inbreeding experiments at IJelhesda, Md., experiment station.. 215 

 Gypsy. Ste Gipsy. 



Haarlem oil, mis})randin<];, inve.-itiLjalions by (hemi.strv Bureau 460 



Uarvestiuii crops, dates, investi'.jralions by Bureau (jf St.Uistics 701-702 



HaU-h fund, use l>y stations, criticism 736 



Hawaii Experiment Station, work 751-753 



review by Secretar,- 145-146 



live-stock diseases, control studies, 1910 255 



Hawaiian bird reservation, protection 130 



Hay, crop, l!»l(l, value and yield 11-12 



curing, art ificial drying, southern farm practice 81 



drier, artificial, construction by Agriculture Department 81 



investigations, remarks 333 



production per acre, variations for several years 711, 712 



Headache remedies, dangers, etc., investigations 441— i42 



Health, protection by control of rats, fleas, etc 121-122 



Public, and Marine-Hospital Service, cooperation with Biological 



Survey 551 



Bureau, proposed establishment, discussion 202-204 



objections, discussion by 



Secretary 30-32 



Hemp investigations, remarks G2-G3, 303 



Henshaw, H. W., report as Chief of Biological Survey 549-565 



Hessian fly, investigations 530 



Highway engineering, instruction. Public Roads Office 154, 786 



Highways. See Roads. 



Hog cholera, investigations, 1910 270-271 



serum, manufacture and use. studies 50, 270-271 



fat, effect of feeding cotton-seed meal, study 268 



Hogs, bovo- vaccination, tests 275 



feeding experiments 218 



inspection, 1910 243-244 



serum treatment for prevention of cholera, efficiency 50 



Holstein cattle, breeding experiments 214 



tuberculo-is tests and experiments in North Dakota 214 



Homesteads, National Forest lands 3G6-369 



Hominy, feeding value, experiments at State College, Pennsylvania 217 



Honduras, cattle-disease investigations bv Animal Industry i3ureau 255-256 



live-.stock diseases, studies, 1910 255-257 



Honey, imported, analyses, number and value 432-^133 



Hopi cotton, value and improvement 292 



Hops, crop 1910, ])robabilities 15 



investigations, remarks 59-60, 297 



Homworm, tobacco, control studies and experiments 520-521 



destruction by parasites, investigations 518 



Horse breeding, study and experiments in various States 208, 211-212, 219-229 



work of Department 44 



Horses, breeding for United States Army, cost, etc 45, 208, 219-229 



carriage, American, classification 212 



glanders, cooperative inspection 247 



determination methods, studies 260 



number in United States, 1910 221 



scabies, control methods 247 



swamp fever, studies by Animal Industry' Bureau 257-258 



Horticultural investigations, review 340-343 



House fly. See Fly, house. 



HowAHD, L. O. , report as Chief of Entomology Bureau, 1910 509-548 



Humid regions, irrigation in times of drought 152 



Huntley Experiment Farm, remarks 322 



