-i?L^_ 



DEPAKTMENT OF AGRICULTUEE BULS. 401-425. 



Bulletin 

 No. Page. 



Hairy vetch, growing on cut-over lands in middle North 425 20 



Harrowing, day's work under various conditions 412 4-5 



Harvesting- 

 cabbage, day's work 412 13-14 



muskmelons, contract labor, effect on quality 401 14-15 



Hauling — 



beans, day's work 412 11 



fruit, day's work 412 16 



hay, day's work 412 12 



Haying, operations, day's work for implements and labor 412 11-12 



Health, convict camps, conditions, care, etc 414 115-127 



Hedge nettle, host of red spider 416 5 



Heliothrips femoralis. See Thrips. 



Hellebore, use as larvicide in manure, advantages and direc- 

 tions 408 2 



Hemp hurds — 



as paper-making material, bulletin by Lyster H. Dewey 



and Jason L. McMerrill 404 1-26 



baling, requirements and cost .• 404 ' 5-6 



nature and yield per acre 404 1-3 



production and handling 404 1-6 



use for papermaking, economic considerations 404 8-9 



uses, and supply 404 4-5 



yield of fiber 404 3 



HiLLMAN, F. H., bulletin on "Distinguishing charticters of 



seeds of Sudan grass and Johnson grass." 406 1-5 



Hippodamia convergens, value in destruction of red spider 416 57-58 



Holstein cows, relation of age to values of different grades. . . 413 2-4 



Horse — 



farm work, value at certain ages 413 11-12 



manure, fly larvae in, destruction experiments 1915, 



bulletin by F. C. Cook and R. H. Hutchison 408 1-20 



Horses — 



farm work, relation of age to value (with dairy cows), 



bulletin by J. C. McDowell 413 1-12 



feeding with lupines, experiments 405 14, 20 



Household labor, value per family 410 2, 33-34 



Housing — 



farm family, value 410 2, 31-33 



food and shelter, value to farm families, bulletin by W. G. 



Funk 410 1-36 



Humphrey — 



Harold N., bulletin on "Labor requirements of dairy 



farms as influenced by milking machines" 423 1-17 



John R., and W. H. Kerr, bulletin on "A system of 



accounts for live-stock shipping associations" 403 1-15 



Husking, corn, day's work 412 10 



Hutchison, R. H., and F. C. Cook, bulletin on "Experiments 



during 1915 in the destruction of fly larv.T in horse manure' ' . 408 1-20 



Hydraulic rams, efficiency, formulas 414 85-87 



Ictrogen, origin and poisonous property 405 6-7 



Idaho, convict labor for road work, digest of laws 414 199 



Illinois, convict labor for road work^ digest of laws 414 200 



Implements, day's work, western New York 412 ' 2-6 



Incineratories, garbage, construction and advantages 414 102-103 



Indian bean. See Lupine. 



Indiana, convict labor for road work, digest of laws 414 200 



Insecticides, use against red spider, recommendations 416 63-67 



Insects, enemies of red spiders 416 35-59 



Insidious bug, value in destruction of red spider 416 38-31 



Iowa — 



convict labor for road work, digest of laws 414 200-201 



roads, experimental work at Ames, 1910. 407 67 



