INDEX 



217 



First flower, pickings, affected by 



spacing, 38 

 Five-day means, 196 

 Flatters, A, 55, 65 

 Flower, 22 



colours of, 174 



development of, 56, 59 



extremely susceptible to shed- 

 ding, 48 



functions of, 61 

 Flower-bud, 58, 96 

 Flowering-branches, 42 

 Flowering, observation of, 163 



out-turn determined at, 102 

 Flowers, dated, 89 



succession of, 43 

 Fluctuation, 11 



"autogenous," 10 



in hair strength, 116 



of lint length, 114 



in maturation, 88 



in out-turn, 101 



Fluctuations in two characters, 131 

 Forecasting flowering by growth, 46 

 Forecasts, 97 

 Fuzz, 6, 9, 83 



Genealogy, 2 

 Germ-cells, 14, 59 

 Germination, 23, 25 



helped by lint, 8 

 Ginning methods, 16, 180 



out-turn, 100 



methods, 181 

 significance of, 103 

 Giza, site of experiments, 88, 112 

 Gossypium aturtii, 4 

 Grader, 106, 126, 138 

 Grader's length, method, 183 



strength, 108, 144 

 Graders, mistake by, 146 

 Grading, 79 



length, 210 



methods, 195 

 Graphs, 174 

 Greenhouse plants, 57 

 Grip of hairs in yarn, 147 

 Grower, 120, 169 



and spinning, 124 



spinner, and scientist, 58 

 Growing cotton, 153, 156 

 Growth, affecting flowering, 164 



of boll, 67 



Growth, external and internal, 66 

 maximum, of lint length, 77 

 maximum, in lint thickness, 



78 



at night, 31 

 peculiarities, 128 

 of seed, 68 

 and senescence, 45 

 study of, 55 



and temperature, 25, 26 

 ' and yield, 40 



Hair strength unimportant in yarn, 



141-147 



Hairs, affecting water loss, 29 

 Hard edge, 140 

 Heat-poisoning, 23, 25, 32, 44 

 Heredity, 6, 128 



of lint length, 10 



by nucleus, 60 



of variable characteristics, 41 

 History of subject, 56 

 Hughes, F., 30, 189 

 Humidity, 105 



Hybrid rogues, detection of, 132 

 Hybridization, 62. See also Cross- 

 ing 

 Hybrids, 12 



formation of, 62 



occurrence in varieties, 129 



Ideal cotton, 125, 148, 150 



Identical plots differ, 159 



Impact testing, 108, 115 

 method, 191 



Improvement of cotton, 17, 152, 



170 



limitations, 13 

 of fine cottons, 116 

 of varieties, 62 



Impurity of varieties, 16, 127 



Index characteristics, 130, 145 

 to quality, 103 



India, 102, 156, 159 



Inheritance. See Heredity 



Intercommunication, difficulties of, 

 126 



Interpretation of terms, 152 



Irrigation, 30, 92, 157 

 and cultivation, 38 

 effect on lint length, 114 

 intervals between, 119 

 reducing shedding, 48, 173 



