10 DEPARTMENT OF AGRICUL,TURE BULS. 1026-1050. 



Bulletin No. Page. 

 Haywood, J. K., W. D. Lynch, C. C. McDonnell, A. L. Quain- 

 TANCE, and M. B. Waite, bulletin on "Poisonous metals on 



sprayed fruits and vegetables " 1027 1-66 



Heinrich, Carl — 



and H. K. Plank, bulletin on "The blackhead fireworm of 



cranberry on the Pacific coast " 1032 1-46 



description of cranberry blackehad fireworm 1032 42-46 



Helianthus annuus. See Sunflower. 



Hemphill, Robert G., bulletin on 'Irrigation in northern 



Colorado " _. _. 1026 1-35 



Herds, range, improvement by selection and breeding 1031 55-58 



Hog millet. See Proso. 



Hogs, feeding sunflower silage, experiments and results 1045 29 



Holmes, Arthur D., and Harry J. Deuel, jr., bulletin on "Di- 

 gestibility of cod-liver, tea-seed, and watermelon-s3ed oils, deer 



fat, and some blended hydrogenated fats " 1033 1-15 



Honeydew, secretion by mealybugs, and deposit of smut 1040 3 



Howard, Nathaniel O., bulletin on "Control of sap-stain, mold, 

 and incipient decay in green wood with special reference to 



vehicle stock " 1037 1-55 



Hunting — 



bag limits, in various States 1049 16, 18 



excessive, limitations in different States 1049 15-18 



grounds, public, notable examples 1049 29-31 



laws for game protection in various sections 1049 26-29 



license fees, receipts from 1049 11-12 



Idaho — 



Experiment Station, work on sunflower silage 1045 6, 12, 22,23 



game value, estimate by game warden 1049 12, 13 



quail-protection laws 1049 17 



Illinois, game farm, maintenance and work, 1912 1049 47 



Indiana, game refuges, 1899-1915, conditions and results 1049 32-33 



Inoculation, wheat, with Puccinia graminis triticA, experiments, 



results 1046 4-24 



Insectides — 



poisonous, metal deposits on fruits and vegetables, investiga- 

 tions, bulletin by W. D. Lynch, C. C. McDonnell, J. K. 



Haywood, A. L. Quaintance, and M. B. Waite 1027 1-66 



use against red spider 1035 11-15 



Insects — 



enemies of avocado red spider 1035 9-11 



hosts of Apanteles melanoscelus 1028 13 



losses caused by, 1909-1918 1043| ^' '^{q 'll 



Insurance, crop — 



principles 1043 18-26 



risks, losses, and principles of protection, bulletin by V. N. 



Valgren 1043 1-27 



Interest — 



collection on farm loans 1048 19-20, 25 



rates — 



C 7-14 

 by banks on farm loans 1048< iR-iy 



on farm loans, reported by banks, March, 1921, by States. 1048 10-20 



Iowa, quail-protection laws 1049 17 



Ipomoea batatas. See Sweet potato. 

 Irrigation — 



cereals, experiments in South Dakota 1039 45-70 



Colorado, northern, bulletin bv Robert G. Hemphill 1026 1-85 



farm, Cache la Poudre Valley," Colo 1026 79, 83-84 



Ivar axillaris, occurrence and. economic importance in South Da- 

 kota 1039 4-5 



