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 I 



INDEX. 57 



Page. 



Foliage, characters indicating contamination of cotton 15-16, 21, 24, 26 



cotton, change of color at fruiting time 24 



Fungus, mycelium in diseased roots of cotton hybrids 35, 48 



Fuzz, relation to germination and other factors of cotton culture 12-13, 36, 43 



Gallini, variety of Egyptian cotton 11 



Germination, relation to fuzz on cotton seeds 13, 43, 51 



Gizeh, observations on cotton culture 30, 38, 39, 47, 54 



Habits of growth of Hindi cotton 14-15, 54 



Haga, name of Hindi cotton at Mansurah 22 



Hardy, G. H. , on mendelian proportions 42 



Hawaii, source of strain of smooth-seeded cotton 37 



Hibiscus cannabinus, similarity in appearance to cotton 18 



esculentus, similarity in appearance to cotton 18 



Hindi cotton. See Cotton, Hindi. 



Hybrids, distinctive characters 19, 24, 26-36 



Egyptian-Upland cotton, coherence of characters 30-31 



Hindi cotton, coherence of characters 28-33 



Insects, relation to deterioration of cotton 8,11 



Inspection methods. See Methods. 



Intensification of characters in cotton hybrids 33-35 



Introduction to bulletin 7 



Irrigation, relation to cotton culture 18-19, 45-46, 47 



Italy, character of cotton grown -^^ 



Jackson's Limbless, variety of cotton, parent of hybrid 30 



Jannovitch, variety of Egyptian cotton U, 12, 20, 21, 22, 23, 29, 42, 43, 44 



Jumel, variety of Egyptian cotton 11, 33 



Kefir Zeyat, source of superior cotton seed 10 



Locks See Carpels. 



Los Angeles, climatic modification of cotton 15 



Losses from contamination. See Contamination. 



McLachlan, Argyle, experiment with cotton hybrids 13, 28 



Madras, India, successful culture of Cambodia cotton 41 



Mansurah, countings of Hindi cotton plants 23 



observations of growth of cotton 9, 1 0, 20, 22, 25, 26, 28, 29 



Maturity, climatic factors affecting cotton crop 9 



Meade, R. M. , experiment with cotton hybrids 28 



Mendelism, limitation, with respect to coherence of characters of cotton. 32,33,42 



Mesopotamia, possible source of Hindi cotton 37, 54 



Methods of field inspection of cotton in Egypt 19-20, 21, 26 



Mexico, relationship of Hindi and Egyptian cottons 36 



Mit Afifi, variety of Egyptian cotton 10, 11,12, 20, 21, 23, 33, 42, 44 



Nectaries, intensification of cotton characters 34, 38 



Niam-Niam, variety of cotton - 38, 39, 40, 54 



Nubari, variety of Egyptian cotton 11, 12, 43 



Okra, resemblance to Hindi cotton 24 



Orton, W. A., on cotton disease "^^ 



Pachon, variety of Upland cotton 32, 40 



Palestine, countings of Hindi cotton at Beteha 23 



Rabinal, variety of LTpland cotton 32, 40 



Reversions, small bolls, evidence of cotton contamination 28-29 



Rice, field inspection, relation to cotton culture in Egypt 25 



Roguing, facilitated by coherence of characters of cotton 32-33 



methods applied to cotton in Egypt 9, 14, 18-21, 26, 27, 28, 32-33, 43, 51 



Running out of \arieties of cotton. See Degeneration. 



210 



