ECONOMIC ORNITHOLOGY 283 



6. Theobald, Fred V., Birds in the Field and Garden : Their Chief Economic 



Value to Man, Live Stock Journal, Summer Number, 1904. 



7. Swaysland, W., Familiar Wild Birds, 1st Series, 4 vols. 1893. 



8. Schlich, Dr., and Fisher, W. R., Manual of Forestry, vol. iv. Forest 



Protection, by W. R. FlSHER, B.A., pp. 120-31, 1895. 



9. Gurney, J. H., and Russell, Colonel C, The House Sparrow, 1885. 



10. Ritsema Bos, Agricultural Zoology, English translation by J. R. Ainsworth- 



Davis, B.A., 1894. 



11. Bechmann, Handbuch der Jagdwissenschaft, 1802. 



12. Cathcart, Earl OF, Wild Birds in Relation to Agriculture, Journal oj the 



Royal Agricultural Society of England, 3rd Series, vol. iii. Part II. pp. 

 325-38, 1892. 



13. Irby, Lieut. -Col. L. Howard, British Birds, Key List, 2nd ed. 1892. 



14. Tschudi, Frederic de, Destructive Insects and the Immense Utility of 



Birds, Journal of the Royal Agricultural Society, vol. xxiii. pp. 231-46, 1862. 



15. Tegetmeier, W. B., and Ormerod, Miss E. A., The Avian Rat. 



16. GlLMOUR, JOHN, Bird Investigation. An inquiry concerning the relation 



of certain birds to the agricultural interest, as shown by their diet, Journal 

 of the Highland Agricultural Society, pp. 21-112, 1896. 



17. Board of Agriculture Reports on the Plague of Field Mice or Voles in the 



South of Scotland, p. 22, 1892. 



18. Edwards, T., On the Protection of Wild Birds, Banff, 1881. 



