INKKX. 45 



rii;;i>. 



I'rolil'cnitidii, iiictlKxl <>f study 9 



not coiiiu'c'ted I'siH'cially witli holl wcifviT injury 35,39 



not incrt'ased l)y fertilization of soil 20, 39 



rs|K'(iallv in "short season" varieties 25 



occurrence more freipient in holls than in sipiares 12,38-39 



of , similar character in Itml ami holl 8 



one of most important natural factors in control 3, 28 



points of orijiination 8-9 



purpose of study 9 



resulting in bolls Iroin artilicial stimulation 32-34 



s(]uares from artilicial stinmlation 31-32 



secondary factor in choice of varieties 40 



stimulated liy fecilinir punctures in bolls 1 1-12 



squares 1 0-1 1 



fungi and decay 28, 29-30 



tissues reacting most readily 8-9 



Rearing larvic on f)roliferous food 3o-36 



IJetl I'Otton, observations recorded 33 



Rowden cotton, observations recorded 10, 11, 18, 22 



Kussell cotton, observations recorded 10, 11, 18, 22, 23 



Sealing i )f punctures, method 30 



influence on i)roliferatiou 34 



Seed, j)roliferation 29,34 



Sr|)tum, i)roliferation 34 



Shine cotton, observations recorded 10, 1 1, 12, 13-15, 18, 22, 23, 24-2ti, 27-28, 33 



Soil types, range 21 



Solniopsiit gemiuata, enemy of boll weevil 28 



Square borer. See Uranotes mclinu><. 



Squares, climatic conditions affecting proliferation 18, 17 



Starvation, not cause of death of boll weevils with proliferation 35-36 



Stimuli, causing cells to proliferate , 8 



Sun, inHuenci- on ex|)osed fallen squares 17, 28 



Sunflower cotton, observations recorde<l 22, 24 



Territory cotton, observations recorde<l 10, 11, 19, 22, 23, 24-2(3 



Texas wool cotton, observations re<'i )rded 33 



Theda larvjc, inciting proliferation 29 



Tlninnla ciislnlor, j)robably inciting proliferation 29 



Tissues, change following boll weevil attacks 37 



Tools cotton, observations recorded 10, 11, 18, 22, 23 



Triumph cotton, observations recorded 10, 11, 18,22, 23, 24 



Truitt cotton, observations recorded 10, 11, 19, 22, 23 



I'l-'iiiiilis nirliiiiis, inciting i)roliferation . . , 29 



Weather Bureau, use of records showing climatic conditions 15 



o 



