AGRICULTURAL INDEX 



603 



Hydrogen -ion concentration — Continued 



Lime requirement of soils according to the 

 Veitch method, compared with the hydro- 

 gen-ion concentration of the soil extract. 

 A. TV'. Blair and A. L. Prince, bibhog Soil 

 Sci 9:253-9 Ap '20 



Note on the behavior of neutral ammonium 

 citrate in certain phosphate solutions. H. 

 E. Patten and G. H. Mains. Assn Offlc Ag 

 Chem J 4:235-8 N '20 



Note on the hydrogen ion concentration at 

 which Iron is precipitated from hydrochloric 

 acid solution by ammonium hydroxid, 

 sodium hydroxid, and hydrogen sulphid. H. 

 E. Patten and G. H. Mains. Assn OfHc Ag 

 Chem J 4:233-4 N '20 



Preliminary.- note on the use of some mixed 

 buffer materials for regulating the hydro- 

 gen ion concentration of culture media and 

 of standard buffer solutions. M. R. 

 Meacham and others, bibliog il J Bact 5: 

 491-9 S '20 



Relation of catalase, oxidase, and H+ con- 

 centration to the formation of overgrowths. 

 R. B. Harvey, bibliog il Am J Bot 7:211-21 

 My '20 



Relation of hydrogen-ion concentration to the 

 growth, viability, and fermentative activity 

 of streptococcus hemolyticus. L. F. Foster. 

 J Bact 6:161-209 Mr '21 



Relation of sulfur to soil acidity and to the 

 control of potato scab. W: H. Martin, bib- 

 liog Soil Sci 9:393-408 Je '20; Summary. 

 Ag G^z of Canada 7:844 O '20 



Relation of the hydrogen-ion concentration 

 of nutrient solutions to growth and chloro- 

 sis of wheat plants. A. G. McCall and J. 

 R. Haag. bibliog Soil Sci 12:69-77 Jl '21 



Relations of hydrogen-ion concentration to 

 the heat coagulation of proteins in Swiss 

 cheese whev. T. Okuda and H. F. Zoller. J 

 Indus & Eng Chem (1709 G st. N.W., Wash- 

 ington, D.C. 75c) 13:515-19 Je '21 



Relationship between the hydrogen-ion con- 

 centration and the bacterial content of com- 

 mercial milk. E. W. Schultz and others. 

 J Dairy Sci 4:1-6 Ja '21 



Root absorption from solutions at minimum 

 ooncentT-ptions. R. B. Harvey and R. H. 

 True, bibliog Am J Bot 5:516-21 D '18 



Solid culture media with a wide range of 

 hydrogen or hydroxyl ion concentration. F: 

 A. Wolf and I. V. Shunk. bibliog J Bact 

 6:325-30 My '21 



Spectrophotometric study of the salt effects 

 of phosphates upon the color of phenol- 

 sulfonphthalein salts and some biological 

 applications. C: L. Brightman and others. J 

 Bact 5:169-80 Mr '20 



Studies on soil reaction: the colorimetric de- 

 termination of the hydrogen ion concentra- 

 tion in soils and aqueous soil extracts. E. 

 A. Fisher, bibliog J Ag Sci 11:45-65 Ja '21 



Study of the variations in hydrogen-ion con- 

 centration of broth media. L,. F. Foster and 

 S: B. Randall. J Bact 6:143-60 Mr '21 



Tolerance to acids of certain bacterial plant 

 pathogenes. F: A. Wolf and I. V. Shunk. 

 bibliog Phyt 11:244-50 Je '21 

 Hydropen peroxide 



L'action de I'eau oxyg^nge sur les farines. 

 Lindet. .A.cad Ag France Compt Rend 6: 

 843 N 24 '20 



Action de I'eau oxyg6n4e sur la farine en 

 vue de la determination de son taux de 

 blutage. Marion. Acad Ag France Compt 

 Rend 6:848-52 N 24 '20 

 Hydrogen sulfid 



Production of hydrogen sulphide bv bacteria, 

 J: T. Myers, bibliog J Bact 5:231-52 My '20 

 Hydrolisis 



Comparative hydrolysis of fibrin and gelatin 

 in the presence of various aldehydes. G: 

 E. Holm and R. A. Gortner. Am Chem Soc 

 J (1709 G St, N.-W., Washington. D.C. 

 $7.50 ner yr.) 42:632-40 Mr '20: Abstract. 

 Exp Sta Record 43:110-11 Ag '20 

 Hydrometers 



Use o<" the hvdrometer in commercial bee- 

 keeping. I. Hopkins. Am Bee J 59:160 My '19 



Hydrophobia 



Biennial report, 1917-1918. E: Records. lOp '19 



Nev. State rabies comm., Carson City 

 How a dog of healthy appearance can trans- 

 mit rabies. P. Remlinger. Am Vet M Assn 



J 57:603-4 Ag '20 

 Hydrophobia or rabies (mad dog bite). B. E. 



Washburn. Prog F 35:1715 O 23 '20 

 Presence of rabies virus in the spleen. P. 



Remlinger. Am Vet M Assn J 54:759-60 Mr 



'19 

 Rabies. J Bd Ag 25:1246-7 Ja '19 

 Rabies. H. W. Jakeman. Nev Ag Ext B 19:1-9 



'18 

 Rabies and its preventive treatment. J: F. 



McKenna. Am Vet M Assn J 57:593-9 Ag 



'20 

 Rabies or hydrophobia. Prog F 35:1207 Jl 3 



'20 

 Rabies or hydrophobia. Wash Ag Dept Rep 



1918:60-4 

 Rabies order of 1919. A. D. Hall. J Bd Ag 26: 



199-201 My '19 

 Rabies; prohibition of dog imports. J Dept Ag 



S Australia 22:555-6 F '19 

 Report on an outbreak of rabies at Dow City, 



Iowa. J. A. Brill. Am Vet M Assn J 57:447-9 



Jl '20 

 Study on the diffusibility of the virus of 



rabies. P. Remlinger. Int R Sci & Prac Ag 



10,no 4:430-2 Ap '19 

 Hydrostatics. See Hydrometers 



Hygiene 

 At the head of the hollow. J. F. Smith and 

 M. Williamson. Survey (112 E. 19th st, N.T. 

 15c) 45:464-6 D 25 '20 

 Better health for better efficiency. E. Wilson. 



Judd Farmer 66:704 My 10 '19 

 Cooperative county health work in North 



Carolina. B. E. Washburn, il Am City 

 (Town and county ed.) (154 Nassau st, 

 N.Y. 35c) 21:505-7 D '19 



Cooperative rural health work of the public 

 health service in the fiscal year 1920. L. L. 

 Lumsden. (Reprint no. 615 Pub. health re- 

 ports) 15p '20 U.S. Pub. health service, 

 Washington, D.C. 



Educational hygiene. L. A. Dougherty. Purdue 

 Ag 15:365 My '21 



Experiences in bettering health conditions on 

 the farm. Prog F 34:1968 N 29 '19 



Experiment in teaching health. V. Phillips. 

 J Home Econ 13:489-92 O '21 



Filthy habits and their dangers. Dakota F 39: 

 119 Ja 15 '19 



First aids to health in the home. A. L. Mar- 

 latt. Hoard's D 58:78 Ag 8 '19 



4-H health clubs. L. Partch and G. King, il 

 Purdue Ag Ext Leaflet 117:1-6 '21 



Good health, bibliog il Mich Ag Ext B 18:1-42 

 '19 



Growing plants as health-giving agents. J. M. 

 Anders. Sci Monthly (Science Press, Garri- 

 son, N.T. 30c) 10:63-9 Ja '20 



Health neces-'^ities for country girls. E. Alli- 

 son. Rural Manhood 10:401-2 N '19 



Health of farm folks. O. Crooker. 11 Suc- 

 cessful F 19:12 O '20 



Health of the rich farmer's children. Literary 

 Digest (354 4th av, N.T. 10c) 64:93-5 F 

 28 '20 



Health talks. J Ag (Quebec) 24:119 Ja '21 



Home acre. L. E. Heaton. il N T Farms & 

 Markets Dept Ag B 132:14-34 My '20 



How I trv to keep my family healthy. Prac 

 F 116:272 S 15 '20 



How to keep well in January. B. E. Wash- 

 burn. Prog F 35:76 Ja 10 '20 



How to keep well in March. B. E. Wash- 

 burn. Prog F 35:506 Mr 6 '20 



Hvgiene and its purpose. Dakota F 39:1733 N 



1 '19 



Hvgiene at middle life. B. E. Washburn. Prog 



F 35:1557 S 18 '20 

 Hvgiene of women's underwear. F. Caton. J 



Home Econ 13:252-5 Je '21 

 Keeping well in November. B. B. Washburn. 



Prog F 34:1752 N 1 '19 

 Keeping well in December. B. E. Washburn. 



Prog F 34:2018 D 6 '19 

 Keeping well in February. B, E Washburn. 



Prog F 35:235 Ja 31 '20 



