INDEX. 187 



Page. 



Rice, duration of life of hibernated boll weevils fed thereon 48 



Riparia riparia, enemy of boll weevil L46 



Rosebuds attacked by Bhynchites mexicanus 30 



Sage, wild. (See Croton.) 



Sayornis phcebe, enemy of boll weevil 146 



Seed cotton, factor in dissemination of boll weevil 91-92 



Shrike, loggerhead. (See Lanius ludovicianus .) 



Sideranthus attacked by Desmoris scapalis 30 



Sigalphus curculionis, enemy of boll weevil 142 



plum curculio (Conotrachelus nenuphar) 1-12 



Solarium rostratum stalks attacked by Trichobaris texana 30 



Solenopsis geminata diabola, enemy of boll weevil 1 39- 1 40 



prey of Iridomyrmex humilis 140 



molesta, enemy of boll weevil 1 40 



texana, enemy of boll weevil 140 



Sorghum cane, duration of life of boll weevils fed thereon 48 



Spanish moss as hibernation shelter for boll weevil 101 



thistle. (See Solarium rostratum.) 

 Sparrow, field. (See Spizella pusilla.) 

 fox. (See Passer ■ellailiaca.) 

 lark. (See Chondestes grammacus.) 

 savanna. (See Passerculus sandwichensis .) 

 swamp! (See Melospiza georgiana.) 

 vesper. (See Pocecetes gramineus.) 

 white-throated. (See Zonotrichia albicollis.) 



Spilochalcis sp., enemy of boll weevil 141 



Spiza americana, enemy of boll weevil 146 



Spizella pusilla, enemy of boll weevil 146 



Spraying, futility against boll weevil 153 



Stagmomantis limbata, enemy of boll weevil 137 



Stalk-cutting device for cotton 158 



Strawberry, host plant of Anthonomus signatus 30 



Sturnella magna, enemy of boll weevil 146 



neglecla, enemy of boll weevil 146 



Sugar, nonattractiveness to boll weevil 43 



Sulphur, futility against boll weevil 153 



Sunflower (see also Helianthus). 



duration of life of boll weevils fed thereon 48 



Swallow, bank. (See Riparia riparia.) 



barn. (See Hirundo erythrogastra .) 

 cliff. (See Petrochelidon lunifrons.) 

 Temperature, effect upon date of beginning emergence from hibernation by 



boll weevil 107-108 



entering hibernation 97-98 



duration of egg stage of boll weevil. . 62-63 



larval stage of boll weevil 66 



pupal stage of boll weevil 67-68 



life cycle of boll weevil 70-72 



locomotion of boll wevil 43-44 



oviposition of boll weevil 58-59 



survival of hibernating boll weevils 112-114 



fatal variations for boll weevil 129-131 



relations to boll weevil 125-131 



zone of activity for boll weevil 127 



fatality, lower, for boll weevil 128-131 



upper, for boll weevil 126 



hibernation for boll weevil 127-128 



Tetrastichus hunteri, enemy of boll weevil 142 



Thistle, Spanish. (See Spanish thistle.) 

 Thrasher, brown. (See Toxostoma rufum.) 



Thryomanes bewichi, enemy of boll weevil 146 



Thryothorus ludovicianus, enemy of boll weevil 146 



Tie vine, duration of life of boll weevils fed thereon 48 



Tillandsia usneoides. (See Spanish*moss.) 

 Titmouse, black-crested. (See Bseolophus atricristatus .) 

 tufted. (See Bseolophus bicolor.) 



