INDEX. 183 



Page. 



Cotton, foliage, duration of life of boll weevils fed thereon 49 



food plant of Alabama argillacea 15 



Anthonomus grandis 1-175 



vestitus 30 



Anthribus cornutus 30 



Chalcodermus seneus 30 



Echthelopyga gossypii 30 



Heliothis obsoleta 15 



hairy stalks, effect on boll weevil 135 



involucral. bracts, effect on boll weevil 136 



"kidney," host plant of boll weevil in Cuba 16, 31 



"loose." (See Gossypium brasiliense.) 



nectar, indirect effect on boll weevil 135 



visited by Gcrseus penicellus 30 



picumnus 30 



picking of squares as a means of boll-weevil repression 161 



planting early as a means of boll-weevil repression * 160-161 



restriction an impracticable means of boll-weevil repression. . 156-157 



time, effect on longevity of boll weevils 116 



plant, proliferation, effect on boll weevil 132-135 



structures inimical to boll weevil 135-136 



retention of fruit, effect on boll weevil 136 



Sea Island, susceptibility to boll-weevil attack 45, 46 



seed, factor in dissemination of boll weevil 92-93 



shallow cultivation as a means of boll-weevil repression 160-161 



squares attacked by Anthonomus vestitus in Peru 30 



Chalcodermus seneus 31 



burial, effect on boll weevil 147-149 



duration of life of boll weevils fed thereon 49 



effect of feeding of boll weevil thereon 44-45 



picking, as a means of boll-weevil repression 161 



square weevil, Peruvian. (See Anthonomus vestitus.) 



stalks as hibernation shelter for boll weevil 100 



destruction in fall as a means of boll-weevil repression 11 1-112 



stems attacked by j 1 nthribus cornutus 30 



top en >p as affected by boll weevil 81-83 



tree, host plant of boll weevil 31 



"wild." (See Gossypium brasiliense.) 



Cottonseed meal, nonattractiveness to boll weevil 42 



oil as bait against boll weevil, futility 153 



Cottonwood catkins attacked by Dorytomus mucidus 30 



Cowbird. (See Molothrus ater.) 



I lowpea curculio (see also Chalcodermus seneus). 



host of Ennyomma globosa 142 



food plant of Chalcodermus seneus 30 



pod weevil. (See Cowpea curculio and Chalcodermus seneus.) 



Cremaslogaster lineolata 1;> viuscula clara, enemy of boll weevil 139 



( 'niton, host plant of Anthonomus albopilosus 30 



Cyanocitta cristata, enemy of boll weevil 146 



Dendroica sest iva, enemy of boll weevil 146 



coronata, enemy of boll weevil 146 



Desmoris constrict us attacks seed of sunflower (Helianthus) 30 



mistaken for boll weevil 30 



scapalis attacks flower heads of broad-leaved gum plant (Sideranthus) . . 30 



mistaken for boll weevil 30 



Dewberry, host plant of Anthonomus signatus 30 



Dickcissel. (See Spiza americana.) 



Dorymyrmex pyramicus. enemy of boll weevil 140 



flavus, enemy of boll weevil 140 



Dorytomus mucidus attacks Cottonwood catkins 30 



mistaken for boll weevil 30 



Drought, effect on boll weevil 16 



Dryness, effect on boll weevil 28 



factor in boll-weevil mortality 122-124 



Eciton ( Acamatus \ commutatus, enemy of boll weevil 139 



Ectatom ma tuberculatum, enemy of boll weevil 139 



Ecthetopyga gossypii feeds in cotton flowers in Philippines 30 



