32 



FOOD HABITS OF THE GROSBEAKS, 



amount of grain taken bringing the total amount of vegetable food 

 up to 71.19 percent. More than half of the total subsistence con- 

 sists of grass seeds alone. 



The 28.81 percent of animal food is made up almost exclusively of 

 harm.ful species, among which are the most important pests of the 

 cotton plant, namely, the cotton worm and the cotton boll weevil. 



Although the data on hand are insufficient to determine the exact 

 ' economic status of the bird, it may be stated with confidence that 

 the gray grosbeak is almost entirely beneficial. 



LIST or SEEDS AND INVERTEBRATES EATEN BY THE GRAY GROSBEAK. 



Kafir corn (Sorghum vulgare durrfi). 



Joint grass (Paspalum sp.). 

 Crab grass (Syntherisma sp.). 

 Yellow foxtail (Ghwtochloa glauca). 

 Bur grass (Cenchrus trihuloides) . 

 Wire grass (Eleusine indica). 

 Bindweed (Polygonum sp.). 

 Goosefoot (Ghenopodium sp.). 

 Rough pigweed (Amaranthus retro- 



flexus). 

 Pokeweed (Phytolacca decandra). 



Carpetweed (MoUugo vertioillata) . 



Sorrel (Oxalis sp.). 



Spurge (Euphorbia sp.)-. 



Croton (Croton sp.). 



Mallow (Malva sp.). 



Sida sp. 



Vervain (Verbena sp.). 



Nightshade (Solanum sp.). 



Sunflower (Selianthus sp.). 



COLBOPTEEA. 



Bronzy wood-borers (Buprestida;). 

 Long-homed beetles (Cerambycidse) 



Liopus crassulus. 



ffippopsis lemniscata. 

 Leaf -beetles (Chrysomelidse) : 



Chlamys pUcata. 



Scarred snout - beetles (Otiorhyn- 

 chidse) : 



Compstis auricephalus. 

 True snout-beetles (Curculionidae) : 



Anthonomus grandis. 



Aoalles sp. 



HBMIPTEBA. 



Cicadas (Cicadidse) : 

 Cicada sp. 



Leaf -hoppers ( Jassidx ) . 

 Lantern flies (Fulgoridse). 



ORTHOPTERA. 



Short-horned grasshoppers (Acridii- 



dse) : 

 Syrbula admirabilis. 



Long-horned 

 dee). 



grasshoppers (Locusti- 



LEPIDOPTBBA. 



Owlet-moths (Noctuid«) : 

 Prodenia ornithogaUi. 

 Alabama argillacea. 



