Oct. i-Dec. 3, 1921 



Index 



519 



Page 



Canker of sugar beets 47-52 



Calvin, J. W., et al.: NUTRIENT RE- 

 QUIREMENTS OF GROWING 

 CHICKS: NUTRITIVE DEFICIEN- 

 CIES OF CORN 139-149 



Camallanus ainrricanus, oxyhemoglobin in 

 body fluid 392-432 



Carbonate — 

 calcium, effect on — 



growing chicks 139-149 



plant growth 102-110 



toxicity of copper sulphate 281-287 



sodium, efiect on hydrocyanic acid in Sudan 

 grass 135-136 



Casein, effect on growing chicks 139-149 



Caslanca dentala, host of — 



Hyperplalys maciilaius 217-219 



Xylotrechus cuhnus 195-198 



Cattle hookworm. See Bustomum phkboto- 

 muni. 



Cattle, maintenance requirement 115-121 



Celtis occidentalis, host of — 



Cyllene picius 198-203 



Molorchus bimaculatus 212-213 



Centaurea Cyanus, susceptibility to Puccinia 

 triticina 152-172 



Cerambycid beetles, host -selection principle. 189-220 



Cfrcis canadensis, imrrmnity to Molnrchus 

 bimaculatus 212-213 



Cestode hemolysins 420-432 



Cheese, bacteria 93-100 



Cherries, effect of — 

 orchard spraying on transportation rots. . 467-477 

 temperature on damage from rots 441-465 



Chestnut. See Castanea dentata. 



Chestnut blight. See Endothea parasitica. 



Chinese cabbage See Brassica pekinensis. 



Chlorid, sodium, effect on growing chicks. . 145-149 



Chorizagrotis auxiliaris, comparative des- 

 tructiveness of Porosagrotis orthogonia 289 



Cimicifuga racemosa, resistance to teliospores 

 of Puccinia triticina 155-172 



Citelhis richardsoni, enemy of Porosagrotis 

 orthogonia 313 



Citric acid. See Acid, citric. 



Citromyces sp. in corn meal 187-188 



Cladosporium sp. on pitted grapefmit 277 



Clematis — 

 Douglasii, resistance to teliospores of Puc- 

 cinia triticina 155-172 



fiatninula, probable aecial host of Puccinia 



triticina 153-172 



Fremontii, resistance to teliospores of Puc- 

 cinia triticina 155-172 



heraclaefolia, resistance to teliosirares Puc- 

 cinia triticina 155-172 



ligustici folia, resistance to teliospores of 



Puccinia triticina 155-172 



orientnlis, resistance to teliospores of Puc- 

 cinia triticina 155-172 



paniculata, resistance to teliospores of Puc- 

 cinia triticina 157-172 



recta, resistance to teliospores of Puccinia 

 triticina 155-172 



Page 



Clematis — Continued. 

 virginiana, resistance to teliospores of Puc- 

 cinia triticina 155-171 



■citalba, probable aecial host of Puccinia 

 triticina 153-171 



Clonorchis sinensis, hemotoxins 380-432 



Colletotrichum sp. on pitted grapefruit 277 



COMPARATIVE VIGOR OF Fi WHEAT 

 CROSSES AND THEIR PARENTS.... 53-63 



COMPARISON OF THE PECTINASE 

 PRODUCED BY DIFFERENT SPEC 

 SPECIES OF RmZOPUS, A 371-377 



Coniferous tree seed, storage 479-510 



Cook. F. C: ABSORPTION OF COPPER 

 FROM THE soil, BY POTATO 

 PLANTS 281-287 



Cooley, J. S., and Brooks, Charles: TEM- 

 PERATURE RELATIONS OF STONE 

 FRUIT FUNGI 451-465 



Copper, absorption from soil by imtato plants 

 281-287 



Copper sulphate, toxicity to potato plants. . 281-287 



Com, nutritive defeciencies 139-149 



Com meal, flora 179-188 



Cornus florida, host of — 



Hyperplalys maculatus 217-219 



Molorchus bimaculatus 212-213 



Coronaria floscuculi, susceptibility to Puc- 

 cinia triticina 152-172 



Corticium vagum, cause of dryrot canker of 

 sugar beets 47-52 



Crab apple. See Pyrus coronaria. 



Craighead, F. C: HOPKINS HOST- 

 SELECTION PRINCIPLE AS RE- 

 LATED TO CERTAIN CERMBYCID 

 BEETLES 189-220 



Cutworm — 

 army. Chorizagrotis auxiliaris. 

 pale western. See Porosagrotis orthogonia 



289-322 



Cyanidin, glucosid, in maize 2-31 



Cyllene — 



crinicoriiis, host selection 203 



picius, host selection 193-220 



Delphinium — 

 ajacis, resistance to teliospores of Puccinia 



triticina 155-172 



"Belladonna," resistance to teliospores of 



Puccinia triticina 155-172 



consolida, resistance to teliospores of Puc- 

 cinia triticina 155-172 



geyeri, resistance to teliospores of Puccinia 

 triticina 155-172 



Dendroctonus monticolae, parasite on Pinus 

 contorta 189-220 



Dextrose in grapefruit 263-279 



Diamino acid. See Acid, diamine. 



Digestion, liberation of hydrocyanic acid. ... 127 



Diphyllobothrium latum, hemotoxins 381-432 



Dipotassium phosphate, effect on growing 

 chicks 145-149 



Dipylidium caninum, hemotoxins 382-432 



Dogwood. See Cornus florida. 



DRYROT CANKER OF SUGAR BEETS, 

 A 47-5« 



k 



