Apr. 3-Sept. 2s, 1916 



Index 



1049 



Butter — Continued. Page 



fat — continued . 



determination of stearic acid in 101-113 



exposed to large surface of air, oxidation 



of 940-941 



oxidation of pure 937-941 



in storage, effect of cream acidity upon 



composition of air in 934-937 



Buttermilk exposed to large surface of air, 

 oxidation of 947-948 



Cabbage. See Brassica oleracea. 

 Calcium and magnesium compounds — 

 experiments on, effect of, on plant growth 593-613. 



influence of, on plant growth 589-620 



California Green Lacewing Fly (paper). . . 515-525 

 Calorimeter — 



accuracy of, tests of 718-720 



respiration — 



construction of 7°3~7°5 



partly automatic, for the study of me- 

 tabolic activity of small magnitude. . 703-720 



Carbonates, conversion of, in soil 858-866 



Carbon bisulphid — 

 effect of— 



on activity of soil organisms 4-5 



on nitrate content of soil 4-5 



on number of soil organisms 2-4 



relation of, to soil organisms and plant 



growth 1-20 



Carter, E. G., and Greaves, J. E. (paper) 

 Influence of Barnyard Manure and Water 

 upon the Bacterial Activities of the Soil . . 889-926 

 Castor-oil plant. See Ricinus communis. 

 Cattle- 

 Ayrshire — 



color record of progeny in 145-147 



experimental color crosses in 142-143 



results of various matings 144 



sex-limited color in 141-147 



digestibility of hard palates of 641-648 



Ceratitis capitate, effect of — 

 cold-storage temperatures upon the pupae 



of 251-260 



refrigeration upon the larvae of 253-259 



Cercospora beticola — 



climatic conditions as related to 21-60 



effect of— 



desiccation on 25-26 



temperature changes on 26-30 



infection cycle of 54 _ 57 



overwintering of 21-30 



relation of summer climatic conditions to. . 30-35 



summer infection cycles of 30-58 



Chaitophorus negundinis, host of Aphidoleles 



meridionalis 884 



Cherry — 

 See Prunus spp. 

 wild. See Prunus spp. 



Cholera, hog, serum for 333"338 



Chorizagroiis auziliaris — 

 atmospheric temperature during oviposi- 



tion 877 



cage experiments on 873-874 



description of egg of 877 



duration of — 



egg-laying period of 878 



incubation period of 878-879 



larval feeding of, in spring 880 



egg-laying habits of, in confinement 877-878 



Chorizagroiis ai*«7iam— Continued. Page 



field observations on, in 1915 874-875 



hibernation of 879-880 



larval feeding of, in the fall 879 



number of — 



broods of 881 



eggs laid by 878 



observations on — 



egg-laying habits of 875-877 



life history of 871-881 



previous experiments on 871-873 



pupation of, and emergence of adults 880 



Ckrysopa californica — 



distribution of 516 



hibernation of 524 



host insects of 516-517 



life history of 517-524 



natural enemies of 524 



seasonal history of 524 



Cigarette beetle. See Lasioderma serricorne. 



Circenella sp., effect of heat on 155, 159, t6i 



Cirphis unipuncta — 

 comparative study of amount of food eaten 

 by parasitized and nonparasitized larvae 



of 455-458 



description of — 



egg of 808 



larva of 808-811 



pupa of 812 



generations of 799-800 



host insect of A panicles mililaris 455-458 



life-history studies of 799-812 



molting and feeding habits 800-808 



Cilrullus vulgaris — 



host plant of Diplodia tubericola 152 



stem-end rot of 149-152 



Citrus — 



auranlium, host plant of Citrus canker , 69 



host plant of Aleyrodidae. 



decutnana, host plant of Citrus canker 69 



limetta, host plant of Citrus canker 70 



leaves, chemical changes in, brought about 



by Citrus canker 88-94 



medica, host plant of Citrus canker 70 



nobilis, host plant of Citrus canker 69 



trees, mottle-leaf of, in relation to soil con- 

 ditions 721-740 



trifoliata, host plant of Citrus canker 69 



Citrus spp. — 



acidity of 87 



analysis of soils from orchards of 727-730 



host plants of— 



Aleurothrixus floccosus 466 



Diplodia sp 152 



Trialcurodes floridensis 470 



Citrus canker — 

 agencies concerned in dissemination of. .*. . . 94-95 

 cause of chemical changes in leaves of Citrus 



spp 88-94 



control of 95-96 



economic importance of 71 



etiology of 74-88 



history of 70-71 



host plants of 69-70 



pathogenicity of 74~75 



relation of acidity to resistance to 86-88 



symptoms of 71-72 



CitrusCanker (paper) 6j-ioo 



