Bulletin 621, U. S. Department of Agriculture. 



Plate li. 



Fig. 1 .—Crow Pellets 



These consist of masses of undigested food and are disgorged in great numbers at winter 



roosts. 



Fig. 2.— Characteristic Ingredients of Crow Pellets. 



Collected at the "Woodridge, D. C, roost in February, 1912. Included are the ■wing covers 

 of clover-leaf weevils, fragments of crawfish, land and marine mollusks, bones of a small 

 rodent, fragments of larger bones (carrion), hulls of corn and wheat, seeds of greenbrier, 

 sour gum, flowering dogwood, poisonous and nonpoisonous sumac, wild grape, knot weed, 

 an acorn, and gravel. 



