INDEX. 179 



Page. 



Boll weevil, copulation, age at beginning 52 



• duration of act 52 



description 33-37 



development during winter 73-74 



diseases 136 



dispersion. (See Boll weevil, dissemination.) 



dissemination annually in square miles 27-28 



artificial, intentional transportation 94 



movement of baled cotton 93 



cottonseed 92-93 



farm hands 93-94 



seed cotton 91-92 



vehicles 93 



as affected by leaf worm (Alabama argillacea) 87 



natural, causes 87 



fall dispersion 87-90 



hibernation flight 90 



other forms of natural spread 90-91 



spring search for cotton 85-91 



spread within the field 86 



summer flights 86-87 



distribution 20-21 



effects thereon of flooding 131-132 



egg deposition. (See Boll weevil, oviposition.) 



description 33 



duration of stage 62-63 



eggs eaten by adult when laid outside 64 



hatching 64 



of those laid outside of cotton fruit 64 



percentage 65 



fall dispersion 87-90 



fatalities from temperature variations 129-131 



lower zone of temperatures causing it 128 



upper zone of temperatures causing it 126 



faunal zone limits 29 



fecundity 60-61 



fertility, duration 52-53 



fertilization 52-53 



first account of damage 15 



food habits 38-50 



plants 31-32 



generations 74-76 



hibernation 94-118 



activity during period 303 



emergence therefrom 107-110 



activity of adults thereafter. . . 116-118 



longevity thereafter 114-116 



rate 108-110 



time 107-108 



entrance 96-99 



flight 90 



length of period, average 103-105 



extremes of variation •. . . 105 



relation of shelter thereto 105-106 



methods of study 95-96 



number of adults entering 98-99 



shelter 100-102 



sources of weevils entering 96 



stages entering 96-97 



survival 110-11 4 



influence of climate thereon 112-114 



fall destruction of cotton stalks 



thereon 111-112 



shelter thereon 112 



time of entrance 97-98 



zone of temperatures causing it 127-128 



