10 



worms and remedies 45 :34-36 



Cotton, analysis of plant as affected by fertilizers 57:3-16 



at different stages 57 :5-10 



aphides 45 :34 



co-operative soil tests with (see also Co-operative) 



22 :3-24, 23 :3-61, 34 :3-46, 42 :3-34 



''crossing," experiments in 56:3-47 



comparison of original and improved forms as 

 to seed, yield and quality of 



staple 56 122-25 



as to character of plant, boll, seed 



and staple 56 :26-29 



general results 56:20 



tabulated 56 :21 



methods adopted 56:10-12 



micro-photographs of bolls closed 56 : Fig. 14 



Index to. .56:40-43 



open, with fibre. .56: Fig. 15 



Index. .56:43-45 



seeds and adhering fibre. .56: Fig. 16 



Index.. 56:45-47 



staple ! . . .56 : Fig. 10-13 



Index.. 56:58, 39 



"problems" considered 56 :13 



relation of plant and fibre improvement 56:18 



varieties used 56 :3, 4 



as staminate and pistillate, 



with results in size of 



boll. weight and percent. 



of seed and staple 56:30-37 



diseases of 27 :3-16, 36 :2-32, 41 :3-65, 55 :3-12 



angular spot 41 :54, 55 



anthracnose (Colletotricltiim gossypii) 



27:8,41:40-49,55:7 



affecting bolls, 41 :40, 41 



leaves 41 :42 



stem 41:42 



analogy with Cystopus 41 :44-46 



artificial cultures 41 :47 



characters of fungus 41 :46 



inoculation of cotyledons 41 :43, 44 



areolate mildew (Ramulnria areola) 41 :55 58 



boll rot 55:3-12 



bacteria culture 55 :4, 5 



inoculation 55:5, 6 



