155 



Page. 



Pupa, length of stage 84 



in relation to external 



conditions 86 



Pupal cell, formation of 81 



influence of external conditions 



on form of 81 



variations in form of 81 



Pupal stage, mortality during 88 



Pupation 81,83 



places for 81 



Pyrameis cardui 15 



Quiscalus quiscula seneus 115 



Red-headed woodpecker 114 



Red-bellied woodpecker 114 



Red-winged blackbird 114 



Reducedtemperatures.effectof.oneggs 53 



growth of 



larvse . 67 



pupse 86 



Remigia repanda 104 



Risper=bollworm 13 



Robber flies 110 



Robin 115 



Rotation of cotton with other crops 31 



Rose 18 



Rosebuds, character of injury to 71 



oviposition on 47 



Sialia sialis 115 



Sida spp 17 



eggs found on 47 



Sinea diadema 112 



Saccharum officinale 18 



Sarcophagidee 127 



Scavengers following the bollworm 126 



Scissor-tail Flycatcher 114 



Sderopogon latipennis Ill 



Seasonal history 102 



Sedge grass, eggs laid on 47 



Sexes, proportions of 92 



Sharpshooter 35, 106 



Shedding of squares and young bolls 36 



Soil, effect of, on pupse ; . . . 87 



Solarium mammosum, eggs laid on 47 



rostratum 94 



Solenopsis geminata 108 



texana 108 



Solidago 19 



Sorghum 17 



eggs laid on 47 



Sparrow Hawk 114 



Spizella pusilla 115 



socialis 115 



Squares, character of injury to 69 



Squash 17 



Stachys agraria 17 



agraria, eggs laid on 47 



Stages, larval, description of 57 



Stagmomantis Carolina 112 



Storms, effect of on eggs 55 



Strawberry 18 



Sturnella magna 115 



Submergence, effect of, on eggs 54 



Submergence, effect of, on pupae 88 



Sugar cane 18 



Page. 



Summer tanager 115 



Sun, effect of, on eggs 55 



pupa; 87 



Sunflower 17 



Sweet corn moth = bollworm 13 



peas 18 



potato 19 



Synonymy il 



Tachinidee 123 



Tassel-worm = bollworm 13 



Telenomus heliothidis. 119 



Temperature, effect of, on larvae 66 



pupae 87 



depth of pupal 



burrow 82 



Tetracha Carolina 112 



Thalpophila rubrescens = Heliothis obsoleta . . 11 



Thecla pmas. See Calycopis cecrops 105 



Thryomanes bewickii cryptus 115 



Thryothorus ludovicianus 115 



Toads as bollworm enemies 112 



Tobacco, character of injury to 70 



eggs found on 47 



Tomatoes, character of in j ury to 71 



eggs found on 47 



injury to, by bollworm in Flor- 

 ida 25 



bollworms 25 



Towhee 115 



Toxostoma rufum 115 



Transition zone, injury by bollworms in. . . 26 



Trap crops 130 



Trichogranima pretiosa. 115 



Triphleps insidiosus '. 107 



Triticura, sp 18 



Tufted titmouse 115 



Tyrannus tyrannus 114 



Upland cotton, relative attractiveness of, 



to larvae 71 



Upper Austral zone, destructiveness of boll- 

 worm in 27 



Upper Sonoran area, scarcity of bollworm 



in 28 



Utah, injury by bollworm in 29 



Variation of larvae and moths compared. . . 90 



moths 89 



Varieties of moths 12, 89 



Virginia creeper, eggs laid on 47 



Washington, scarcity of bollworm in 26 



Wasps, as enemies of the bollworm 109 



Watermelon 17 



Weather in relation to bollworm injury 32 



Western lark sparrow 115 



Western United States, destructiveness of 



bollworm in 29 



Wheat 18 



Winthemia h- pustulata 123, 124 



Wyoming, scarcity of bollworm in 29 



Xanthium strumarium 17 



Yellow-billed cuckoo 114 



Yellow-breasted chat 115 



Zeamays 17 



Zenaidura macroura 114 



