370 APPENDIX IV. 



1901. PEABODY, P. B. Saw- Whet Homes. Bird Lore, vol. iii., 

 pages 55-58. 



Account of nests of saw-whet owls in flicker holes. Evidences 

 of mice and small birds as food. 



1901. SMITH, ROBERT WINDSOR. Food and Gravel. The Wil- 

 son Bulletin No. 34, vol. xiii., 0. S. March 30, 1901, pages 

 16, 17. 



Song sparrow has much gravel in stomach ; robin more dirt 

 than gravel ; seed-eating birds require gravel for grinding. 



1902. ANNIN, J., JR. Winged Enemies of the Brook Trout. 

 In The Speckled Brook Trout, edited and illustrated by 

 Louis Rhead. New York : R. H. Russell, pages 127- 

 140. 



The following birds are discussed: Night heron, green heron, 

 bittern, kingfisher, ducks, loons, grebes, fish-hawk, bald eagle, 

 bared owl, screech owl. 



1902. BLANCHAN, NELTJE. How to Attract the Birds, and 

 Other Talks about Bird Neighbors. New York : Double- 

 day, Page & Co. Pages 1-224. 



Nine chapters on popular ornithology, the first bearing the 

 title : " How to Invite Bird Neighbors." Many illustrations 

 from photographs. 



/ 



1902. FISHER, A. K. Two Vanishing Birds : The Woodcock and 

 the Wood Duck. Yearbook, United States Department of 

 Agriculture, 1901, pages 447-458. 



An excellent illustrated discussion showing the necessity for 

 more adequate protection of these species. 



1902. JUDD, SYLVESTER D. Birds of a Maryland Farm: A 

 Local Study of Economic Ornithology. United States 

 Department of Agriculture, Division of Biological Sur- 

 vey, Bulletin No. 17, pages 1-116. 



An admirable study of the economic relations of birds on a 

 small area, fully illustrated. 



