1917] 



INDEX OF SUBJECTS. 



937 



I 



Page. 



Chromoplasts, origin 632 



rhrysanthemum crown gall, notes 252 



Chrysanthemums, culture 44 



Chrysomphalus dictj/o^pcrmi, varieties 462 



Chrysomyza sp., new to North America 757 



Chrysopa, or golden-eyed fly, notes 156 



Chrysophana placida as a household pest 854 



Chrysops, egg-laj-ing habits and early stages . 853 

 Churches, rural- 

 cooperation 593 



economic and social force, AVis 90 



Cicada, periodical — 



in Ohio, Ohio 258 



in western New York 257 



CicadellidK — 



of Missouri 157 



of "Wisconsin 761 



( icer arietinu tti as a green manure for rice 824 



Cicutin hydrobromid, use against tetanus 79 



Cider- 

 changes in during fermentation and stor- 

 age 716 



industry in England 416 



Cigarette beetle, destruction by X-rays 359 



Cimez rotundatus, relation to kala-azar 357 



Cinchona- 

 diseases, notes 844 



gray root, notes 352 



Cinchonidin, methods of analysis 113 



Cirsium arvcn-se, root system 542 



Cisthene, new, of North America 564 



Citrate, action on isolated intestine 471 



Citric acid, extraction with ether 414 



Citrus — 



bacterial disease, new, in California 153 



bacterial disease, new studies, U.S.D.A. 154 



black spot and brown spot, treatment... 352 



blast, investigations 153 



canker, control in Florida 556 



canker, eradication, U.S.D.A 556 



canker in Philippines 745 



canker in South Africa 657 



canker, notes 556 



canker, studies 843 



canker, studies, Fla 656 



diseases in Porto Rico 246 



diseases in West Indies 452 



diseases, notes, Fla 656 



gummosis, notes 846 



gummosis, studies, Fla 656 



knot, notes 839 



leaf disease, notes 4-53 



mealy bug, remedies 158 



melanose, treatment, Fla 6.56 



mottle leaf, studies, U.S.D.A 352,353 



scab, cause 556 



scaly bark, notes 846 



sour rot, notes 843 



withertip, notes 453 



Citrus fruits — 



abnormal water relations 834 



action of vanillin and limestone on, Fla. 656 



cost of production 144 



cull, utilization. Fla 313 



culture 345 



culture in Japan, China, and Formosa... 834 



Page. 



Citrus fruits — Continued. 



culture in Philippines 745 



culture in Transvaal 545 



fertilizer experiments, Fla 649 



fertilizer experiments, P.R 43 



frost damage in transit 649 



fumigation 634 



improvement, U.S.D.A 144 



insects affecting 2.55 



irrigation, U.S.D.A 319 



irrigation experiments 186 



lightning injury, Fla 656 



nitrogen nutrition, U.S.D.A 318,3.53 



spraying 460 



(See also Oranges, Lemons, etc.) 



C'ladosporium — 



citri, notes 556 



ciocumerinu m, \ irulenoo 840 



gramium, notes 553 



syringx n.sp., description 550 



CladostepliW verticellatus, analyses. Conn. 



State 814 



Clasterosporium — 



degcnerans, notes 652 



maydicum n.sp., notes 1-4S 



Clemson College, notes 300 



Climate- 

 as a factor in pollination of grasses and 



legumes 735 



changes in 15 



effect on composition of plant oils 418 



effect on composition of wheat, Colo 38 



effect on plant growth 15, 725 



effect on tree growth 4."n, 837 



relation to agriculture, Colo 209 



(See also Meteorology.) 



Climatological data. (Sec Meteorological ob- 

 servations.) 



Climatology. (See Meteorology.) 



Clitocybe thviknsis n.sp. , notes 630 



Clivia, greenhouse disease of 353 



Clonal varieties, inheritance in 240 



Clover— 



alsike, for wet lands, Minn 229 



and grass mixtures, tests 230 



beetle, European, in California 568 



bird-foot, in grass mixtures 735 



bur, as a pasture crop, Tex 533 



bur, digestibility, Tex 168 



crimson, as a cover crop for oichards 833 



crimson, as a green manure, Md 320 



crimson, improvement 136 



crimson, liming e.xperiments 428 



crimson nitrogen residue of roots and 



stubble, Ga 29 



culture experiments, Hawaii 131 



culture experiments, Idaho 30 



culture experiments. La 529 



cultiu-e experiments, Minn 227 



culture in India 232 



fertilizer experiments, Ohio 126 



fertilizing value, Ind 214 



flowering habits and anatomical structure 53.5 



irrigation experiments, Idaho 639 



Japan, as a pasture crop, Tex 533 



leaf weevil, lesser, notes, Mont "2.55 



