INDEX OF SUBJECTS. 



939 



Page. 



Chirothrips manicatus, notes 255 



Chlorella sp. as affected by spectrum 221 



Chloridea obsoleta. (See Cotton bollworm.) 



vircsccns, notes, U.S.D.A 555 



Chlorids, detection in water 410 



Chlorin content of rain water 317 



Chlorita spp., notes 257 



Chloroform, effect on soils (120 



Chlorophora tinctoria, substitutes and adul- 

 terants, U.S.D.A 343 



Chlorophyll — 



in living chloroplasts, studies „ 125 



rftle of in transformation of air vapors 221 



Chlorophyllpyrrole and hemopyrrole, iden- 

 tity 201 



Chloroplasts, origin in sunflowers 524 



Choanotsenia infundibulum, parasitic on 



chickens 59 



Chocolate, effect on caries-forming bacteria . . . 862 



labeling, U.S.D.A 467 



methods of analysis 411 



origin and use 862 



production and use 64 



Cholesterol bodies, occiu'rence in soils 118 



Cholin, occurrence in mushrooms 507 



sugar beets 201 



Chondriosomes, relation to heredity 472 



Chorea in man, mineral metabolism in 370 



paralytica bovis, notes 88 



Chromogens, detection in plants 124 



Chromosomes , relation to heredity 868 



studies 869 



Chrysanthemum plant louse, notes 461 



remedies 462 



Chrysanthemums, handbook 841 



Chrysomphalus ficus (aonidum.) (See Florida 

 red scale.) 



Chrysopa dorsalis, life history and habits 257 



spp., notes, Nebr 852 



Chum, description 582 



Cicada, periodical, in Tennessee 357 



Cicada tredecim, notes 357 



Cicadula sexnotata, notes 257 



Cider making, principles and practice 716 



vinegar, adulteration and misbranding, 



U.S.D.A 669 



Cigarette beetle, notes, U.S.D.A 555 



Citric acid- 

 determination in citrates and lemon 



juices 109 



milk 15 



disinfecting value 281 



Citrus chlorosis, notes 631 



diseases, investigations, Fla 450 



treatment, Fla 456 



fruits as affected by cold, U.S.D.A 418 



culture experiments, Fla 427 



fertilizer experiments, P.R 740 



fumigation, U.S.D.A 363 



green, coloring, U.S.D.A 64 



harvesting and marketing 139 



improvement, U.S.D.A 339 



insects affecting 250, 251 



Cal 759 



Hawaii 357 



P.R 253,757 



U.S.D.A 657 



Page. 



Citrus fruits, utilization 644 



{See also Oranges, Lemons, etc.) 



mealy bug, studies and bibliography.. 53 

 scaly bark, studies and bibliography, 



Fla 551 



white fly. {See White fly, citrus.) 



withertip, studies 848 



Cladosporium — 



carpopMlum, notes 752 



treatment , Ala. College 138 



herbarum citricolum, notes, Fla 552 



macTOcarpum as affected by tannin 524 



spp. as affected by tannin 524 



decomposition of cyanamid by 228 



Cladothrix asteroidcs, notes, Md 689 



Clams, contaminated, cooking tests, U .S.D. A. 162 



examination, Me 308 



Claviceps — 



purpurea, development of stromata from. 143 



dissemination 244 



sp. , propagation by insects 158 



spp., notes, N.C 845 



Clay, determination 393 



Clays, analyses, N.Dak 616 



methods of analysis 106 



Clemson College, notes 600, 797 



Cleridae, catalogue 159 



CUff swallows, destructive to hop flea beetles. 150 

 Climate — 



as affected by forests, U.S.D.A 417 



changes in 717 



U.S.D.A 18,418 



effect on composition of wheat. Wash 860 



oyster propagation, N.J 470 



peaches, U.S.D.A 18 



plant hybrids 732 



plants 617 



sugar content of beets 134 



of Alaska, Alaska 810 



Australia, studies and bibliography . . . 213 



Belgium 508 



England, variations in 812 



Hungary, notes 316 



Redlands, U.S.D.A 418 



Russia, notes 238 



Sao Paulo, Brazil 447 



the Great Plains, U.S.D.A 691 



relation to rust epidemics, U.S.D.A 650 



transpiration in com, Nebr. . 832 

 {See also Meteorology.) 



Climatic requirements for fruit culture 509 



Cllmatological elements, methods of reduc- 

 tion 508 



Climatology, handbook 507 



{See also Meteorology.) 



Clitocyhe illudens, toxicity 780 



Clothing, studies 169 



Cloudiness, maximum and minimum, levels, 



U.S.D.A 508 



Clover- 

 analyses 476 



Wis 173 



Wyo 131 



bird's-foot, as a pasture grass 531 



cost of raising, Nebr 690 



crimson, culture, Fla 435 



culture, U.S.D.A 394 



