1920] 



INDEX OF SUBJECTS. 



953 



Flowers — 



blending colors In, 240. 



culture, Nebr., 644. 



cut, industrj', manual, 838. 



genetics of coloration, 328. 



monthly working calendar for, 236. 



{Sec also Plants, ornamental.) 

 Flue dust, potash content, 28. 

 Flume, Venturi, as measuring device in 



open channels, 887. 

 Fluorin, effect on plants, 523. 

 Fodder crops. (See Forage crops.) 

 Fog phenomenon of San Francisco Bay, 



U.S.D.A., 719. 

 Fom-es — 



ludicus on oil palms, 652. 



pscudoferreus, new name for Poria hy- 

 polaterltia, 45. 

 Food — 



and drug manual, TJ.S.D.A., 164. 



and Drugs Act, Federal, effects of en- 

 forcement, 662. 



chemistry, 563. 



chemistry, survey of literature, 365. 



chemistry, treatise, 609. 



consumption in United States, 61. 



control in England and Germany dur- 

 ing war, 459. 



for hotel employees, supervising, 663. 



in industrial plants, 564, 663. 



industries of France, treatise, 260. 



Inspection and analyses, 313. 



manufacture, chemical control, 409. 



poisoning, discussion, 458. 



poisonintr. identification of bacteria in, 

 method, 113. 



poisoning organisms, effects of dehydra- 

 tion, 317. 



poisoning, treatise, 261. 



prices, government control, 394. 



production in Denmark, before and 

 after the war, 292. 



Products Inspection Law, rules and 

 regulations, U.S.D.A., 794. 



regulations in Italy, 65. 



resources of United States, 60. 



substitutes in Germany, treatise, 204. 



supply of United Kingdom, 694. 



values, modern science of, 62. 



values, teaching in elementary schools, 

 97. 



(See also Diet.) 

 Foods — 



analyses. Conn. State, 859 ; Me., 662. 



animal, production anfl consnmptlon 

 in British Empire, 593. 



animal, world's supply, 593. 



canned. (See Canned foods.) 



courses of study, 797. 



determination of acidity, 11. 



diabetic, analyses, Conn.State, 861. 



drie<l, standards for, 368. 



drying. (See Drying.) 



green, vitamin A extraction from. 165. 



nitrogen determination, modified 

 method, 316. 



Foods — Continued. 



quantitative microanalysis, 14. 



sanitary survey, N.Dak., 368. 



stored, bacteriological character, 317. 

 Foot and mouth disease — 



eradication, U.S.D.A., 471. 



immunization, 383. 

 Forage crops — 



cultivation and use in Brazil, 68. 



culture experiments. Mont., 332. 



culture in Nigeria, 637. 



diseases, 652. 



for cotton belt, U.S.D.A., 638. 



insects affecting, 652. 



for nonirrigated lands, Idaho, 738. 



notes, 527. 



of Denmark, 177. 



variety tests. Can., 735 ; La., 636 ; 

 Nev., 229. 



(See also special crops.) 

 Forage poisoning — 



by whorled milkweed, Colo., 141. 



Investigations, Ind.. 385. 



summary of information. 580. 



(See also Plants, poisonous, and speci- 

 fic plants.) 

 Forest — 



administration. (See Forestry.) 



aerial photographs, 748. 



communities, regulations, 441. 



conservation, discussion, 343. 



control in Portugal, 442. 



devastation, national control, 42. 



fire control in Washington, 748. 



fire control, use of airplanes In, 543. 



fire laws of California, handbook, 42. 



fires in Canada, 840. 



fires in Oregon, handbook, 748. 



fires, nature of injuries from, 543. 



fires, protection, 747. 



flora of New South Wales, 543. 



insect control, sunlight as factor, 560. 



insects in Dutch East Indies, 450. 



land in Himalayas, use of, 543. 



laws in new province of Italy, 747. 



laws in Oregon, 748. 



lepidoptera, new species, 853. 



mapping, methods, 840. 



operations, methods of financing. 42. 



policy of American Paper and Pulp 

 Association, 542. 



policy of United States, 746. 



products, Philippine, for paper pulp, 

 841. 



regeneration In Germany, 840. 



research, effect on forest policy, 41. 



research, relation to management, 841. 



resources, survey, U.S.D.A., 650. 



species suitable for Zululand, 42. 



tree.s. (See Trees.) 

 Forestation — 



dry land, in India, 150. 



effect on water supply, 16. 



in B.lgiuni, 343. 



in New Zealand, 542, 747. 



