APPENDIX IV. 375 



11)1)1. 1*EAJ30DY, P. 13. Saw-Wliet Hoiiics. JJird Lore,, vol. iii., 

 pages 55-58. 



Account of nests of saw-wlu-t owls in llickcr holes, l-^idenecs 

 of mice and small birds as food. 



1901. Smith, 1»obkrt Windsor. Food and Gravel. The Wil- 

 son Bulletin Xo. 34, vol. xiii., 0. S. March 30, 1901, pages 



16, ir. 



Song sparrow has much oravel in stomacli : robin more dirt 

 than <,Mavel: seed-eatin<i' birds require gravel for grinding. 



1902. Axxix, J., Jk. Winged Enemies of the Brook Trout. 

 In The Speckled Brook Trout, edited and illustrated by 

 Louis Ehead. Xew A^ork : R. H. Russell, pages 127- 

 140. 



The following birds are discussed: Xight heron, green heron.. 

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

 bared owl, screech owl. 



1902. Blanchan, Xeltje. How to Attract the Birds, and 

 Other Talks about Bird Xeighbors. Xew A^ork : Doul)le- 

 day. Page & Co. Pages 1-224. 



Xine chapters on popular ornithology, the first bearing the 

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

 from photographs. 



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

 the Wood Duck. A^earl)ook, United States Departnu^nt of 

 Agriculture. 1901. pages 447-458. 



An excellent illustrated discussion showing the necessity for 

 more adequate protection of these species. 



1902. diDi). Sylvkstki; IX Birds of a ^laryland Fai-iii : A 

 Local Sliidy of iM-ouomic Ornitlioh)gy. Tniicd Stales 

 Depart iiieiil of Aizricult tire. Division of Biolo^iieal Sur- 

 vey. I^nlletiii No. i:, pn-vs 1-1 IC. 



An admiial)!.- study of the economic i-elMti(.n- «.f l.ir.N on a 

 small area, fullv iliiistrated. 



