INDEX OF SUBJECTS. 



Note. — The abbreviations " Ala. Col.," " Conn. State," " Mass.," etc., after entries refer 

 to the publications of the respective State experiment 8tation.s ; "Guam," "Hawaii," and 

 " P. R.," to those of thp experiment stations in Guam, Hawaii, and Porto Rico ; " Can.," 

 to those of the experiment stations in Canada; and " U.S.D.A.," to those of this De- 

 partment. 



Abaca, culture and uses, 826. 

 Al)ortlon — 



and sterility, 780. 



contagious, control, 181. 



contagious, in cattle, 68:5. 



contagious, in cattle, Conn. Storrs, 584. 



contagious, in swine, 585, 586. 



contagious, new vaccine, 82. 



contagious, review of literature, 784. 



contagious, studies, Mo., 784. 



contagious, summary of Information, 82. 

 (See also Bacillus abortus.) 



in goats, Mich., 688. 

 Absorption and agglutination tests, corre- 

 lation, 879. 

 .\}}utilon th-cophrasti, variation in, 433. 

 Acnrids, studios, 80. 



Accessory food factors. (See Vitamins.) 

 Accipitres, synoptical list, 250. 

 Acetaldehyde — 



effect on protein hydrolysis, 110. 



exhalation from ripe apples, 711. 

 Acetone — 



concentration in blood, studies, 205. 



production process, 712. 

 Acetone-butyl alcohol fermentation of car- 

 bohydrates, 502. 

 .Vcetonuria in domestic mammals, 879. 

 Acetylsalicylic acid, antipyretic action, 371. 

 Achorutes viaticus on sewage filters, 853. 

 Achromaticus macfiei, notes, 883. 

 Acid phosphate. (See Supprphosphate.) 

 Acid solutions, taste of, relation between 

 total acidity and H-ion concentration, 11. 

 Acidimetry of soils, 12, 612, 713. 

 Acidity — 



determination, H-electrode, 313. 



in cream, partial neutralization, 75. 



of culture media, 329. 



rOle in sugar inversion, 416. 

 Acids — 



amino. (Sec Amino acids.) 



fatty. (Sec Fatty acids.) 

 Acriflavln, antiseptic value, 79. 

 Acronycta ohlinita, notes, Conn. State, 251. 

 Acthtomyces — 



chromogcnus, notes, 243, 655. 



scabies, notes, 751. 

 Actlnomycetes — 



effect on reaction of culture media, 635. 



nitrogen metabolism, 634, 635. 



Acysta persrw, notes, 851. 



Adheaives, manufacture from corncobs, 809. 



Adoretus — 



tenuimaculatus on cacao leaves, 52. 

 versutue, notes, 52. 

 Adrenal InsuflBciency cause of edema, 66. 

 Aeration — 



apparatus for ammonia determination, 



212. 

 effect on roots of Zea mays, '.Vll. 

 Aerial photographs, interpretation of, 748. 

 Aerological — 



apparatus, new, U.S.D.A., 718. 

 observations, U.S.D.A., 118. 

 observations in West Indies, U.S.D.A., 

 718. 

 Aerology. (See Atmosphere.) 

 Afforestation. (See Forestation.) 

 African coast fever, 582. 

 Agaricacea?, effect of light on fructification, 



819. 

 Agglutination — 



and absorption tests, correlation, 879. 

 studies, 781. 

 Aggregates, road. (See Road materials.) 

 Agrarian reform in Roumania, 94. 

 Agricultural — 



associations in Porto Rico, 291. 

 bargaining, collective, 488. 

 by-products as feeding stuffs, 170. 

 chemistry. (See Chemistry.) 

 colleges — 



and Department of Agriculture, 



cooperation, 704. 

 present problems, 703. 

 (See also Alabama, Arizona, etc.) 

 colonization. (See Land settlement.) 

 conditions — 



in Deccan Canal areas, 95. 

 in Greece, 600. 

 in India, 293. 

 in Ozark Highland, 894. 

 (See also Agriculture.) 

 cooperation — 



causes of failure, 192. 



in Burma, 94. 



in Denmark, 292, 694. 



in England and Wales, 895. 



in India, 192, 293, 488. 



In Italy, 94. 



in Nebraska, 594. 



921 



