Index to Volume IL 



PAGE 



Co-operative Wheat Experiment, Gamha River (N.) 407 



Co-ordination of the Department's Work (N.) 196 



Co-ordination of the Department's Work (Conference) 218 



Cost of Production of Maize Investigations (N.) 101 



Cotton, Baeteriosis in (N.) 310 



Cotton Culture — Practical Advice for the South African Grower 160 



Cotton Gins^ — Kinds to Use (N. ) 265 



Cotton Growers' Competition — Awards of Prizes of British Cotton-Growing Association 



(N.) 497 



Cotton Growing — Great Possibilities for the Union (N.) 106 



Cotton, Improvement of, by Seed Selection (N.) 482 



Cotton, Improvement of, by Seed Selection (*) 505 



Cotton Insects (N.) 205 



Cotton — Pink Bollworm in Angola (N. ) 110 



Cotton — Pink Bollworm in the West Indies (N.) 485 



Cotton Seed, etc., Restriction on. Introduction from Southern Rhodesia (N.) 561 



Cotton Seed, Undecorticated and Meal, as Stock Feeds (N.) 498 



Cotton, World Conference (N.) 433 



Cow Peas and Kaffir Beans, Comparisons (N.) 504 



Crop Report 94, 379, 472, 570 



Crop Yields of the Northern Hemisphere, 1920 (N.) 5 



Crops, Average Yields of Certain (N.) 239 



Crops of the Northern and Southern Hemispheres, 1920-21 (N.) 456 



Crops, Results and Prospects of World's (N.) 100 



Crops, World 196, 274, 371, 473, 573 



Crops, World Prices and (N.) 296 



Cuicivation of Buchu (*) 223 



Cultivation of the Sweet Potato along the Southern Coast Belt (*) 229, 340 



Cupido [Lycaena) haeUca (L.) : Bean Pod Butterfly (N.) 403 



Curing of " Turkish Tobacco (*) 409 



Curl, Peach Leaf (N.) 17 



Currants, Union's Deficient Production (N.) 203 



Cyanide Gas Remedy for Scale Insects (N.) 392 



Cyanide Gas Remedy for Scale Insects (*) 437 



Dairy Course, Special, Grootfontein (N.) 214 



Dairying in the Union (N.) 38, 82 



Dairy Produce — Grading of Cheese 19, (N.) 1 15 



Dairy Show, 1920, Union Successes at the London (N.) 2 



Dams, Construction of Earthen (N.) 202 



Dams, Construction of Earthen (*) 244 



Deciduous Fruit Trees, Pruning of (N.) 103 



Deciduous Fruit Trees, Pruning of (*) 177, 268, 358, 457 



Departmental Activities : — 



Notes from the Divisions 14, 109, 204, 301, 399, 492 



Notes from the Schools 20, 116, 211, 311, 40G, 498 



Department's Work, Co-oidination of the (N.) 196 



Department's Work, Co-ordination of the (Important Conference) 218 



Deterioration of Sugar in Stoi'age (N.) 390 



Dip, Fluid, Analysis of, Cedara (N.) 23 



Dipping, Compulsory (N.) 24 



Dips — Stock and Pest Remedies 7, (N.) 56 



Disease, A Dreaded Cane (N.) 490 



Diseases, Outbreaks of AnimrJ (N.) 81, 121, 281. 384, 466. 516 



Diseases, Sugar-Cane (N.) 100 



Diseases — Ticks and their Eradication , (N.) 103, 141 



Diseases, Various Plant (N.) 405, 496 



Dried Fruit, Export of (N.) 299 



Dried Fruit, Export of vSouth African — Regulations ControUing the Trade 536 



Dusting versus Spraying in CrdUng-Moth Control (N.) 500 



East Coast Fever 25 



East Coast Fever (N.) 208 



Egg-Laying Competition, Potchefstroom (N.) 408 



Egg-Laying Tests, Fourth, Cedara (N.) 499 



Egg-Laying Tests, Grootfontein (N.). ... 118 



