498 University of California Publications in Zoology [ V L. 11 



GILMOUR, JOHN 



1896. Bird investigation: An inquiry concerning the relation of cer- 

 tain birds to the agricultural interest, as shown by their diet. 

 Jour. Highland. Agric. Soc., 1896, 21-112. 

 GLADDEN, GEO. 



1912. Shall Uncle Sam protect the birds. Amer. Eev. of Eev., 46, 



705-715, 20 figs, in text. 

 Go s SARD, H. A. 



1908. Spring practice in economic zoology. Ohio Agric. Exp. Sta. 



Bull., 198, 15-88, Appendix viii. 

 GRESCHIK, EUGEN 



1910. Magen- und Gewolluntersuchungen unserer unheimischen Baub- 



vogel. I. Mitteilung. Aquila, 17, 1-13. 



1911. II. Eulen. Ibid., 18, 111-177, 6 figs, in text. 

 GUNNING, j. W. 



1908. Locusts birds. Transvaal Agric. Jour., 6, 527-530. 

 HAMMOND, JOHN 



1912. An investigation concerning the food of certain birds. Jour. 



of Agric. Soc. London, 4, 380-407. 

 HENDERSON, J. 



1913. The practical value of birds. Univ. of Colo. Bull., 13, 1-48. 

 HEN SHAW, H. W. 



1907. Does it pay the farmer to protect the birds? U. S. Dept. Agric. 



Rep., 1907, 165-178. 



1908. The policemen of the air: An account of the Biological Survey 



of the Department of Agriculture. Nat. Geog. Mag., 19, 

 79-118, 38 figs, in text. 

 HEWITT, C. G. 



1909. An inquiry into the feeding habits of British birds. British 



Ass. Adv. Sci. Eep., 1908, 734-735. 



HOLLRUNG, M. 



1906. Beitrage zur Bewertung der Saatkrahe auf Grund von 11- 

 jahrigen Magenuntersuchungen. Landwirtschaft. Jahrb. 35, 

 579-620, 1 fig. in text. 

 HOLMES, E. 



1857. Birds injurious to agriculture. Eep. U. S. Patent Office, Agric., 



1856, 1857, 110-160, pis. 15-46. 

 HOOPER, C. H. 



]908. The commoner birds of our gardens, their habits and food. 



Jour. Eoyal Hort. Soc. London, 33, 427-450, 1 fig. in text. 

 HORN AD AY, W. T. 



1913. Our vanishing wild life (Chas. Scribner's Sons, N. Y.), 

 xv + 411, many illus. The economic value of birds, pp. 

 211-233. 

 JENKS, J. W. P. 



1860. The food of the robin. Jour. Proc. Mass. Hort. Soc., 1859, 

 151-154. 



