502 University of California Publications in Zoology [VOL. 11 



WARREN, B. H. 



1888. Eeport of the birds of Pennsylvania (E. K. Meyers, Harris- 

 burg, Pa.), xii + 260, 50 pis. 

 WEED, C. M. 



1902. A partial bibliography of the economic relations of North 



American birds. N. H. College Agric. Exp. Sta. Tech. Bull., 

 5, 139-179. 

 1910. Farm friends and farm foes (D. C. Heath & Co., Boston, 



Mass.), xi + 334, 1 map, 160 figs, in text. 

 WEED, C. M., and DEARBORN, N. 



1903. Birds in their relation to man (Lippincott, Phila., Pa.), viii 



+ 380, illus. 

 WHEELOCK, I. G. 



1905. Eegurgitative feeding of nestlings. Auk, 22, 54-71. 



1906. Nesting habits of the green heron. Ibid., 23, 432-436. 

 WIER, J. J. 



1869. On some insects and insectivorous birds, and especially on the 

 relation between color and the edibility of Lepidoptera and 

 their larvae. Trans. Ent. Soc. London, 1869, 21-26. 

 WILCOX, E. V. 



1892. The food of the robin. Ohio Agric. Exp. Sta. Bull., 43, 115- 



131. 

 WILSON, A. 



1808-14. American Ornithology (Bradford & Inskeep, Phila., Pa.), 

 9 vols., many pis. and figs. 



WOODWORTH, C. W. 



1902. Grasshoppers in California. Univ. of Calif. Publ., Agric. Exp. 



Sta. Bull., 142, 1-36, 17 figs, in text. 



1903. A list ot the insects of California. (Pub. by the author, Berke- 



ley, Calif.), pp. 1-80. 



