370 APPENDIX IV. 



1901. Peabody, P. B. Saw -Whet Home.-. 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 

 Hi. 17. 



Son# sparrow has much gravel in stomach ; robin more dirt 

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



1902. Ann in. 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- 

 1 10. 



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

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

 bared owl, screech owl. 



L902. Blanchan, Neltje. How to Attract the Birds, and 

 Other Talks about Bird Neighhors. New York : Double- 

 day, Page & Co. Pages 1-221. 



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 147-458. 



An excellent illustrated discussion showing the necessity for 

 more adequate protection of these species. 



1902. Jtjdd, 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, fullv illustrated. 



