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 
harmful 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 OF SEEDS AND INVERTEBRATES EATEN BY THE GRAY GROSBEAK. 
GRAIN. 
Kafir corn (Sorghum rulgare durra). 
WEEDS. 
Joint grass (Paspalum Sp.). 
Crab grass (Syntherisma sp.). 
Yellow foxtail (Chetochloa glauca). 
Bur grass (Cenchrus tribuloides). 
Wire grass (Hleusine indica). 
Bindweed (Polygonum sp.). J 
Goosefoot (Chenopodium sp.). 
, Rough pigweed (Amaranthus 
flerus). 
Pokeweed (Phytolacca decandra). 
retro- 
Carpetweed (JMollugo verticillata). 
Sorrel (Oxalis sp.). 
Spurge (Huphorbia sp.). 
Croton (Croton sp.). 
Mallow (Malva sp.). 
Sida sp. 
Vervain (Verbena sp.). 
Nightshade (Solanum sp.). 
Sunflower (Helianthus sp.). 
COLEOPTERA. 
Bronzy wood-borers (Buprestidx). 
Long-horned beetles (Cerambycide) : 
Liopus crassulus. 
Hippopsis lemniscata, 
Leaf-beetles (Chrysomelide) : 
Chlamys plicata. 
Scarred snout - beetles 
chide) : 
Compsus auricephalus. 
True snout-beetles (Curculionidae) : 
Anthonomus grandis. 
Acalles sp. 
(Otiorhyn- 
HEMIPTERA. 
Cicadas (Cicadide) : 
Leaf-hoppers (Jasside). 
Cicada sp. Lantern flies (Fulgoride). 
ORTHOPTERA. 
Short-horned grasshoppers (Acridii- | Long-horned grasshoppers (Locusti- 
de): dee). 
Syrbula admirabilis. 
LEPIDOPTERA. 
Owlet-moths (Noctuide) : 
Prodenia ornithogalli. 
Alabama argillacea, 
