Oct. i, 1920-Mar. 15, 1921 



Index 



893 



Chauliognathus pennsylvanicus, parasite of Page 



Pyrausta ainsliei 844 



Cheiw podium — 



glaucum, host of Urophlyctis pulposa 313 



murale, host of Euiettix tenella 247 



spp. , hosts of — 



Eutettiz tenella 247 



Urophlyctis (Cladochytrium) pulposa 300 



Chestnut. See Castanea vesca. 

 Chicks, green feed versus antiseptics as pre- 

 ventive of intestinal disorders 869-873 



Chilling, influence in stimulating growth of 



plants 151-160 



Chinese colza. See Brassica campestris chi- 

 noleifera. 



" Chloramin T," value as disinfectant 85-110 



' ' Chlorazene. ' ' See ' ' Chloramin T. " 

 Chlorid— 



copper, toxity to snails 196-197 



ethyl, effect in stimulating sprouting of 



potato tubers 623 



ferric: — 

 availability to rice plants in calcareous 



and noncalcareous soils 50-54 



effect on growth of rice 42-44 



in normal and mottled citrus leaves 166-190 



manganese, effect on formation of potato 



tubers 623 



potassium — 



absorption by plants 616-617 



effect on concentration of soil solution. . . . 393 



Ckloridea — 

 obsoleta. Syn. Heliothis obsoleta. 

 virescens. Syn. Heliothis virescens. 

 Chlorin — 



disinfectants, germicidal value 85-110 



in southern poultry feeds 143 



Chlorinated lime, influence on effect of copper 



sulphate in water 202 



Chlorosis, caused by lime 33-62 



Chrysauginae, similarity of one species to 



Pectinophora gossypiella 832 



Chrysophyllum oliviformae, host fruit of Cera- 



titis capitata 423 



Citrate, ferric — 

 availability to rice plants in calcareous and 



noncalcareous soils 5°~S4 



effect on growth ot rice 42-44 



Citric acid. See Acid, citric. 

 Citrus — 



aurantium, composition of parts of tree 162 



aurantifolia, parent of limequat 469 



decutnana, changes during storage 357~373 



grandis — 



composition of leaves 163 



influence of — 

 humidity on development of Pseudo- 



tnonas citri 494-497 



temperature on development of Pseu- 



domonas citri 471-488 



temperature on growth 459-471 



limonia, composition of parts of tree 162 



medica, host of Gloeosporium limetticohim . . . 724 



Citrus — Continued Page 



mitts, influence of — 

 humidity on development of Pseudomo- 



nas citri 494-497 



temperature on development of Pseudo- 



tnonas citri 471-488 



temperature on growth 459-471 



nobilis, var. deliciosa, composition of parts 



of tree 162 



sinensis, parent of hybrid Rusk cTErange. . . 459 

 Citrus-canker. See Pseudomonas citri. 

 Citrus leaves, normal and mottled, composi- 

 tion 161-191 



Cladochylnum alfalfae. Syn. Urophlyctis 



(Physoderma) leproidea. 

 Clawson, A. B., and Marsh, C. Dwight (pa- 

 per): Daubentonia longifolia (Coffee Bean), 



a Poisonous Plant 507-514 



Clematis, host of Gibberella saubinetii 16 



Clevenger, Joseph F., et al. (paper): Studies 

 in Mustard Seeds and Substitutes: I. Chi- 

 nese Colza (Brassica campestris chinoleifera 



Viehoever) 117-140 



Climate — 

 effect on composition of potato tubers, skins, 



and sprouts 632-634 



relation to crown wart of alfalfa 319 



Climatic temperature, effect on ripening proc- 

 esses in sweetcorn 795-805 



Clonorchis — 



human liver fluke 193-195 



parasite of Melania 198 



Clover — 

 Japan, nodule bacteria cultures, effect on 



milk 550 



red, nodule bacteria cultures, effect on milk. 550 

 sweet, nodule bacteria cultures, effect on 



milk 550 



See Trifolium spp. 

 Clydonopteron lecomae, similarity to Pectino- 

 phora gossypiella 832 



Cocci in canned ripe olives 377~379 



Cocklebur. See Xanthium communis. 



Coffea arabica, host of Ceratitis capitata 423 



Coffee bean. See Daubentonia longifolia. 

 Coffee. See Coffea arabica. 

 Cogon. See Imperata cylindracea. 

 Con — 



lachryma, host of Sitophilus oryza 410 



lachryma-jobi, immunity to Sclerospora 



spontanea 671 



Cold, influence in stimulating growth of 



plants 151-160 



Colletotrichum — 



antirrhini, stromata 692 



circinans, causal organism of onion smudge. 



685-722 



fructus, similarity to C. circinans 693-694 



gloeosporioides, variations 7 2 3-73<> 



lagenarium, growth of hyphae 703 



lindemutkianum, growth of hyphae 703 



sp — 



cause of wilting of cereal plants 7 



isolated from diseased potato vines. . . . 280-281 



