AGRICULTURAL INDEX 



525 



Hydrocyanic acid gas — Continued 

 Fumigating' foi'eigii cotton to kill our imported 



pests, i! Scientific Am (233 Broadway, N.Y. 



10c) 11«:255 Mr 10 "17 

 Fumigation experiments — the time factor; 



control of the insect pests of citrus trees in 



California. A. F. Swain. J Econ Entom 11: 



320-4 Je '18 

 Fumigation of citrus trees. R. S. Woglum. il 



Farmers' B 923:1-30 '18 

 Fumigation of greenhouses. E. N. Cory. Md 



Ag Exp B 205:263-82 '17; Same. Md Ag Exp 



Rep 1916-1917 '17 

 Fimiigation of imported baled cotton. Textile 



World J (461 Sth av. at 34th st., N.Y. $3 per 



yr) 52:628+ Ja 13 '17 

 Fumigation of ornamental greenhouse plants 



with hydrocyanic-acid gas. E. R. Sasscer 



and A. D. Borden. U S Ag B 513:1-20 '17; 



Same cond. il Farmers' B 880:1-19 '17 

 Fumigation with hydrocyanic acid gas. Gard 



Chron (Lond) 61:184 My 5 '17 

 Greenhouse fumigation with hydrocyanic 



acid. W: Moore. {In Report State entomolo- 

 gist, 1915-1916, p. 93-108) il '16 Minn. ag. 



exp. station, St Paul 

 Household and camp insects; fumigation with 



hydrocyanic acid gas. E. P. Felt. N Y 



State Museum (Albany) B 194:74-7 F '17 

 Hydrocyanic-acid gas as a soil fumigant. E. 



R. de Ong. il J Ag Research 11:421-36 N 26 



•17 



* Hydrocyanic acid gas treatment for the flour 



moth, F. L. Washburn. (C. 46) 13p il '18 

 Minn. State entomologist, St Paul 



Manufacturing tests of cotton fumigated with 

 hydrocyanic-acid gas. W: S. Dean. U S Ag 

 B 366:1-12 '16 



Sodium and potassium cyanide for green- 

 house fumigation. H. D. Brown. Market 

 Growers J 21:8 Jl 1 '17 



* Sodium cyanide as a fumigant. 6. M. Bentley. 



(B. 18) 12p il '16 Tenn. State bd. of entomol- 

 ogy, Knoxville 



Studies concerning the application of hy- 

 drocyanic acid as an insecticide. G. E. 

 Stone. Int R Sci & Prac Ag 7,no 12:1858-9 

 D '16 



Studies in greenhouse fumigation with hydro- 

 cyanic acid: physiological effects on the 

 plant. W: Moore and J. J. Willaman. bibliog 

 il J Ag Research 11:319-38 N 12 '17 

 Hydrofluoric acid 



Note on the loss of phosphoric acid during 

 fusion with ammonium fluoride. W: A. 

 Davis and J. A. Prescott. J Ag Sci 8:136-8 

 S '16 ■ 



Hydrogen 



Use of hydrogen for driving engines; tests in 

 Holland. Int R Sci & Prac Ag 9, no 5:605-6 

 My '18 

 Hydrogen ion concentration 



Acidity and adsorption in soils as measured 

 by the hydrogen electrode. L. T. Sharp and 

 D. R. Hoagland. bibliog J Ag Research 7: 

 123-45 O 16 '16 



Colorimetric determination of hydrogen ion 

 concentration and its applications In bac- 

 teriology. W: M. Clark and H. A. Lubs. J 

 Bact 2:1-34. 109-36, 191-236 Ja-My '17 



* Correlation of the hydrogen-ion exponent and 



occurrence of bacteria in soil. L. J. Gilles- 

 pie. Science (Science Press, Garrison, N.Y. 

 15c) n s 48:393-4 O 18 '18 



Effect of hydrogen and hydroxyl ion concen- 

 tration on the growth of barley seedlings. 

 D. R. Hoagland. bibliog Soil Sci 3:547-60 

 Je '17 



Effect of hydrogen ion concentration on the 

 production of precipitates in a solution of 

 peptone and its relation to the nutritive 

 value of media. I. J. Kligler. .J Bact 2:351-3 

 Jl '17 



Growth of the potato scab organism at va- 

 rious hydrogen ion concentrations as related 

 to the comparative freedom of acid soils 

 from the potato scab. L. J. Gillespie, bibliog 

 Phyt 8:257-69 Je '18 



Hydrogen-ion concentration measurements 

 of soils of two types: Caribou loam and 

 Washburn loam. L: J. Gillespie and L. A. 

 Hurst, bibliog Soil Sci 4:313-19 O '17 



Hydrogen -ion concentration — soil type — com- 

 mon potato scab. L: J. Gillespie and L. A. 

 Hurst, bibliog Soil Sci 6:219-36 S '18 



Inlluence of hydrogen-ion concentration of 

 medium on the reproduction of alfalfa bac- 

 teria. E. B. Fred and N. E. Loomis. bibliog 

 J Bact 2:629-33 N '17 

 * Note upon the hydrogen ion concentration 

 necessary to inhibit the growth of four 

 wood-destroying fungi. M. R. Meacham. 

 Science (Science Press, Garrison, N.Y. 15c) 

 n s 48:499-500 N 15 '18 



Proteolysis of streptococcus erysipelatis and 

 streptococcus lacticus compared under dif- 

 ferent hydrogen ion concentration. A. Itano. 

 Mass Ag Exp B 167:178-85 '16 



Relation of carbon dioxid to soil reaction as 

 measured by the hydrogen electrode. D. R. 

 Hoagland and L. T. Sharp, bibliog J Ag Re- 

 search 12:139-48 Ja 21 '18 



Relation of hydrogen ion concentration of 

 media to the proteolytic activity of bacillus 

 subtilis. A. Itano. Mass Ag Exp B 167:139- 

 77 '16 



Studies in soil reaction as indicated by the 

 hydrogen electrode. J. K. Plummer. bibliog 

 J Ag Research 12:19-31 Ja 7 '18 



Substitute for litmus for use in milk cultures. 

 W: M. Clark and H. A. Lubs. J Ag Re- 

 search 10:105-11 Jl 16 '17 

 Hydrogen peroxide 



Influence of hydrogen peroxide on germina- 

 tion. E. Demoussy. Int R Sci & Prac Ag 7, 

 no 6:811-12 Je '16 

 Hydrometers 



What it is and how to use it. il Fruit-Grower 

 27:56 Ja 15 '16 



See also Saccharometers 

 Hydrophobia 



E)ecret fixant les mesures h prendre contre la 

 rage a Tunis. Int Yearbook Ag Leg 1916: 

 682-3 '17 



Rabies. {In 6th annual report, 1917, p. 28-34) 

 (Pub. Doc. no. 98) '18 Mass. Dept. of ani- 

 mal industry, Boston 



Rabies among coyotes. W. C. Barnes. Breed- 

 er's Gaz 69:493-4 Mr 2 '16 



Rabies and its control in New York state. 

 J: G. Wills. N Y Farms & Markets Dept 

 Ag B 107:1-26 My '18 



Rabies and the coyote. C. C. Housh. Breeder's 

 Gaz 69:178 Ja 27 '16 



Rabies in guinea pigs. Am Vet M Assn J 53: 

 152-4 My '18 



Rabies or hydrophobia. J: R. Mohler. il Farm- 

 ers' B 449:1-20 '18 (rev.) 



Reliability of cell proliferative changes in the 

 diagnosis of rabies. J. B. Hardenbergh and 

 B. M. Underbill, bibliog il Am "Vet M Assn J 

 49:663-8 Ag '16 



Susceptibility of the prairie dog to rabies. G: 

 Walters. Am Vet M Assn J 51:702-4 Ag '17 



West stirred by rabies scourge. Am Sheep B 

 & W 36:323 Je '16 

 Hydrostatics. See Hydrometers 

 Hygiene 



Care of the complexion, the hands, the hair 

 and feet. Mrs W. N. Hutt. Prog F 31:1012 

 Ag 19 '16 



Enlisted in home service. Wallaces' P 43:1168 

 Ag 16 '18 



Hot weather health hints. C. A. Harper. 

 Hoard's D 56:11 Jl 26 '18 



How to keep well. F. Brooks. Ill Farmers 

 Inst Household Sci 1917:29-35 '18 



National menace of rural bad health; a 

 remedy. G: MacAdam.. Outlook (381 4th av, 

 N.Y. 10c) 115:321-2+ F 21 '17 



National welfare and rural schools. T: D. 

 Wood. {In Pro., Nat. educ. assn., 1916, p. 

 232-40) $2 '16 D. W. Springer, sec, Ann 

 Arbor, Mich. 



Personal hygiene. N. S. Knowles and others. 



la Ag Ext Home Econ B 3:1-23 '17-'18 

 Physical care of rural school children. T. 

 (:iark. Pub Health Repts (U.S. Public Health 

 Service, Washington, D.C.; 5c Supt. of doc.) 

 31:2759-64 O 6 '16 



