10 DEPARTMENT OF AGRICULTURE BULS. 851-875. 



tt /-i -■ Bulletin 



Hay — Continued. No. Page. 



cutting, time, relation to water content 873 19 



gain in weight in stack and barn S73 7 



f 3^. 



growers, loss from shrinkage 873 1 24-27' 



. „ I 32-38 



growing in Pennsylvania. Mercer County and vicinity 853 26 



loss of dry matter, causes, etc S73 15-18 



f 1. 3-4, 



losses by shrinkage, importance to producers and dealers— 873 \ 24-28, 



I 32—33 



market, shrinkage, bulletin by II. B. McClure 873 1-33 



quality, terms used 873 30-32 



shrinkage — 



atmospheric humidity as factor 873 12-13 



data from experiments at , Experiment Stations 873 4-8 



determination, factors affecting 873 8-14 



measurement rules, limitations 873 21-23 



spontaneous combustion, causes, temperatures, etc 873 17, 33 



storage, practices to prevent undue shrinkage : 873 20 



water content — 



at various stages of curing 873 8-12 



determination for measurement of shrinkage 873 22-23 



Hayes, H. K., and Harry V. Harlan, bulletin on " The in- 

 heritance of the length of internode in the rachis of the 



barley spike " 869 1-26 



Haymaking, methods to prevent undue shrinkage 873 18-20 



Hazen, Allen, discussion of flow of water in concrete pipe 852 96-98 



Heartwood, rot spread : 871 20-22 



Heat, use in control of flour-mill insects, directions and experi- 

 ments 872 27-3$ 



Hemiptera, destruction by starlings 868 24, 43, 64 



Herbarium, forest, for school work, directions, notes 863 3, 4-27 



Heredity, internode in rachis of barley spike, bulletin by H. K. 



Hayes and Harry V. Harlan 869 1-26 



Hogs, receipts from, on farms in Grove City, Pa., area 853 24 



Home, woodlands, forestry lessons on, bulletin by Wilbur R.. 



Mattoon and Alvin Dille 863 1-46 



Husmann, George, bulletin on " Currant-grape growing : A 



promising new industry " 856 1-16 



Hydrocyanic-acid gas, fumigation, details and instructions 872 11-27 



fl6— 17 42 



Hypera punctata, destruction by starling 868 s ^ qA 



Idaho — 



Boise project, water-conduit systems, examinations and 



results 852 23, B8 



grape shipments, 1916-1919 861 3, 49 



Incense cedar. See Cedar incense. 



Incomes, farm, Iowa, 1913. 1915, 1918. 1919 874 20-33 



India, castor beans and oil, exports, 1911-1918 867 4 



Indiana, northwestern, market milk production, requirements 



and cost, bulletin by J. B. Bain and R. J. Posson 858 1-31 



Inks, typewriter, castor-oil ingredient 867 39 



Insects — 



control in flour mills, bulletin by E. A. Back S72 1-40 



damages to forest trees 863 21 



food — 



[ 8,15,21, 



of shoal-water ducks 862 Uq 4(£_4g T 



58-65 

 [15-25,39, 

 of starlings SG8 41-43. 44. 



I 60-05 

 Internode, length in rachis of barley spike, inheritance, bulletin 

 by H. K. Hayes and Harry V. Harlan 869 1-26 



