INDEX. 187 



Page. 



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



Riparia riparia, enemy of boll weevil 1 Hi 



Rosebuds attacked by Rhynchites mexicanus 30 



Sage, wild. (See Croton.) 



Sayornis phcebe, enemy of boll weevil 1 Hi 



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 I I :' 



plum curculio (Conotrachelus nenuphar) I 12 



Solanum rostratum stalks attacked by Tnchobaris texana 30 



Solenopsis geminata diabola, enemy of boll weevil L39 140 



prey of Iridomyrmex humilis I 10 



molesta, enemy of boll weevil I 10 



texana, enemy of boll weevil I 10 



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



Spanish moss as hibernal ion shelter for boll weevil 101 



th istle. (See Solanum rostratum . ) 

 Sparrow, field. | See Spizella pusilla .) 

 l'( ix . (See Passerella iliaca. ) 

 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 Ill 



Spiza anu Tirana, enemy of boll weevil I 46 



Spizella pusilla, enemy of boll weevil I Mi 



Spraying, futility against boll weevil 153 



Stagmomantis limbata, enemy of boll weevil 137 



Stalk-cutting device for cotton 158 



Strawberry, host plant of Anihonomus signatus 30 



Sturnella magna, enemy of boll weevil .- 14G 



neglecta, enemy of boll weevil 140 



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 lunijrons.) 

 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 L26 



hibernation for boll weevil 127-128 



TV trastichus h unteri, enemy of 1 >< ill weevil 142 



Thistle, Spanish. (See Spanish thistle.) 

 Thrasher, brown. (See Toxostoma rufum.) 



Thryomanes bewicM, enemy of boll weevil 146 



Thryothorus ludovicianus, enemy of boll weevil L46 



Tie vine, duration of life of boll weevils fed thereon 



Tillandsta usneoides. (See Spanish moss.) 

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

 tufted. (See Bseolophus hicolor.) 



