INDEX OF SUBJECTS. 



941 



Page. 



Citrus fruits as affected by oil Insecticides. . . 354 



changes in during ripening, Fla. . 641 



cultureinGulfStates,U.S.D.A.. 542 



fertilizer experiments, Fla 237 



P.R 637 



lime-magnesia requirements 520 



new, paper on 839 



notes, Hawaii 235 



propagation, U.S.D.A 542 



protection against frost, 



U.S.D.A 542 



scale insects affecting 654 



(See also Oranges, Lemons, etc.) 



groves, cost of smudging 339 



gummosis, studies, Fla 247 



mealy bug, notes, P.R 652 



red spider, remedies 459 



scab, notes, Fla 242 



soils, fertilization 317 



stem-end rot, studies, Fla 247 



stocks, tests, P.R 637 



thrips, notes, Ariz 453 



trees, frosted, pruning, Cal 542 



white fly. (See White fly, citrus.) 



Citrus ichangemis, description, U.S.D.A 839 



latipes, description, 



U.S.D.A 840 



Cladius pectinicornis, parasite of 359 



Cladochytrium graminis, description and 



treatment 751 



Cladosporium — 



herbarum, notes 101,243,845 



penetration of egg shells by. . . 765 

 relation to citrus gummosis, 



Fla 247 



iodin compounds. 133 



laricis, notes 156 



Clarendon County, S. C, soil survey, 



U.S.D.A 16 



Clarksburg area, W. Va., soil smvey, 



U.S.D.A 17 



Clay deposits in Virginia coastal plain 513 



drainage tile, tests 685 



effect on loamy sand 19 



Clemson College, notes 98,399 



Cleonus calandroides, notes 761 



Climate — 



as affected by forests 642, 842 



volcanic dust, U.S.D.A ... 720 



effect on agiiculture in Germany 811 



composition of wheat 835 



Wash 834 



of San Francisco, U.S.D.A 415 



Utah 811 



relation to horticulture 40 



plantgrowth 719 



volcanoes 720, 721 



(See also Meteorology.) 



Climatic areas of United States 719 



CUmatological summaries, U.S.D.A 121 



Climatology, relation to fruit culture and agri- 

 culture 15 



(See also Meteorology.) 



Clinostat, multiple, description 421 



Clostridium gelatinosum, notes 153 



Cloud-shadow projection, paper on, U.S.D.A., 510 



Page. 

 Clover — 



alsike, varieties 139 



bur, notes, U.S.D.A 299 



canker, notes 150, 446, 447 



cost of production, N.Dak 690 



crimson, culture, U.S.D.A 633 



in Porto Rico, P.R 631 



culture experiments 631 



Alaska 735 



in the Ozarks, Mo 428 



manual 140 



cut, analyses, Vt 769 



cutworm, studies, U.S.D.A 455. 



effect on nitrogen content of soils. Can ... 211 



Egyptian, notes 140 



fertilizmg value. Can 224 



for summer silage 473 



fungicidal treatment 326 



germination as affected by fertilizers 327 



ground, examination and standardiza- 

 tion 462 



growth as affected by fertilizer salts 329 



on volcanic ash, Alaska 726 



hay, ash analyses, Ohio 861 



V. shelled corn for sheep 572 



worm, notes 252 



inoculation 326 



management In corn-belt rotation 140 



nematodes affecting 151, 446 



pollen, physiology of 829 



red, culture experiments, N.Dak 226 



seed color in 533 



seeding 634 



varieties 139 



rotation experiments 227 



seed chalcid fly, notes 252 



germination and purity tests, Vt 741 



energy of 538 



tests 740 



serpentine leaf miner affecting, U.S.D.A. 857 



silage, analyses. Can 270 



streak disease, notes 352 



sweet. (See Sweet clover.) 



V. alfalfa in the rotation 634 



varieties 830 



white, variation in 321 



varieties 139 



Clubs, neighborhood improvement, notes 95 



Coal tar vapors, effect on plants 530 



Cob meal, analyses, N.J 666 



Coccacese in American Museum of Natural 



History 676 



Coccidse of California 158 



parasites of, Hawaii 253 



Coccidiascus legeri n. g. and n. sp., notes 759 



Coccidiosis in cattle, treatment 676 



chickens, treatment 889 



Coccinella spp., studies, Okla 355 



Coccinellidae of Philippines 657 



Coccobacillus acridiorum, notes 354 



cajx, notes 855 



erausguinii n. sp., description. . . 757 



Coccomyces hiemalis n. sp., 'description 349 



pini, notes 851 



Coccophagus spp., notes 654 



Coccus hesperidum. (See Scale, soft.) 



