INDEX. 47 
Page. 
Robinia pseudacacia, food plant of alfalfa wee\dl = . ,o = <. = = = = » 24 
Robin, western. (See Planesticus migratorius propiiiquus.) 
Salamander. (See Ambly stoma sp.) 
Sayornis sayus, enemy of alfalfa weevil 40 
Sheep, pasturing as remedy against alfalfa weevil . . '. 12 
Sparrow, Brewer's. (See SjyizeUa hreweri.) 
desert song. (See Melospiza melodia fallax.) 
English. (See Passer domesticus.) 
western chipping. (See Spizella socialis arizonx.) 
lark. (See Chondestes grammacus strigatus.) 
savannah. (See Passerculus savannarum alaudinus.) 
vesper. (See PocEcetes gramineus confinis.) 
white-throated. (See Zonotrichia alhicoUis.) 
Spider plant. (See Cleome serrulata.) 
Spiders, enemies of alfalfa weevil 33 
Spizella breiveri, enemy of alfalfa weevil 40 
socialis arizonx, enemy of alfalfa weevil 40 
Steganopus tricolor, enemy of alfalfa weevil 40 
Stelgidopteryx serripennis, enemy of alfalfa weevil 40 
Sturnella neglecta, enemy of alfalfa weevil 40 
Swallow, rough- winged. (See Stelgidopteryx serripennis.) 
Sweeper, street, against alfalfa weevil 27-28 
Sweet pea. (See Lathyrus odoratus.) 
Thrasher, sage. (See Oreoscoptes montanus.) 
Toad, Rocky Mountain. (See Bufo lentiginosus woodhousei.) 
Towhee, green-tailed. (See Oreosjyiza chlorura .) 
Trifolium hybridum , food plant of alfalfa weevil 24 
pratense, food plant of alfalfa weevil 24 
repens, food plant of alfalfa weevil 24 
Trigonella fcenumgrxcum, food plant of alfalfa weevil 24 
Tyrannus verticalis, enemy of alfalfa weevil 40 
Vetch, hairy or winter. (See Vicia villosa.) 
narrow-leaved. (See Vicia sp.) 
obtuse-leaved. (See Vicia s-p.) 
■spring. (See Vicia sativa alba.) 
Utah milk. (See Astragalus utakensis.) 
Vicia atropurpurea eaten by alfalfa weevil 24 
dispema eaten by alfalfa weevil 24 
sativa alba eaten by alfalfa weevil 24 
sp. , food plant of alfalfa weevil 24 
villosa eaten by alfalfa weevil 24 
Weevil, alfalfa. (See Alfalfa weevil.) 
Wilson's phalarope. (See Steganopus tricolor.) 
Wire brush against alfalfa weevil 27-28 
Xanthocephalus xanthocephalus, enemy of alfalfa weevil 40 
Zamelodia melanocephala, enemy of alfalfa weeA'il ' 40 
Zenaidura maa'oura carolinensis, enemy of alfalfa weevil 40 
Zonotrichia albicollis, enemy of alfalfa weevil 40 
