TY - BOOK AU - McAtee,W.L. TI - Eleven important wild-duck foods AV - S21 .A7 no. 205 PY - 1915/// CY - Washington, D.C. PB - U.S. Dept. of Agriculture KW - Ducks KW - Feeding and feeds N1 - Caption title; Contribution from the Bureau of Biological Survey ER -