[In addition to many of the works mentioned in the list of treatises relating to the Vertebrata in general, the following are some of the more important sources of information as to recent and fossil Birds: - ]

1. Article "Aves." Owen. 'Todd's Cyclopaedia of Anat. and Phys.' 1836.

2. Article "Birds." Newton and Parker. 'Encyclopaedia Britannica.'

9th edt. 1875.

3. "Genera of Birds." G.R.Gray. 1844-49.

4. " System der Pterylographie." Nitzsch and H. Burmeister. 1840.

5. "Pterylography." Nitzsch. Translated by Sclater. 'Ray. Soc.'1867.

6. "Manuel d'Ornithologie." Temminck. 1820.

7. "Natural History and Classification of Birds." Swainson. 1836.

8. "On the Classification and Distribution of the Alectoromorphae and Heteromorphae." Huxley. 'Proc. Zool. Soc.' 1868.

9. "On the Classification of Birds." Huxley. 'Proc. Zool. Soc.' 1867.

10. "Aves." Selenka. ' Bronn's Klassen und Ordnungen des Thierreichs.' 1869.

11. " Elements of Embryology." Foster and Balfour. 1874.

12. "On the Osteology of Gallinaceous Birds and Tinamous." Parker.

'Trans. Zool. Soc.' 1866.

13. "On the Skull of the Ostrich." Parker. 'Phil. Trans.' 1866.

14. "Essai sur l'appareil locomoteur des Oiseaux." Alix. 1874.

15. "Animal Locomotion." Pettigrew. 1873.

16. "Recherches Anatomiques et Paleontologiques pour servir a l'histoire des Oiseaux fossiles de la France." Alphonse Milne-Edwards. 1867-77.

17. "British Fossil Mammals and Birds." Owen. 1846.

18. "Memoir on the Apteryx." Owen. 'roc Zool. Soc. 1842.

19. "Anatomy of the Southern Apteryx." Owen. 'Trans. Zool. Soc.

1838 and 1842.

20. "On Dinornis." Owen. 'Trans. Zool. Soc. 1839-64.

21. "Osteologia Avium." Eyton. 1861-64.

22. "Osteology of the Dodo." Owen. 'Trans. Zool. Soc' 1867.

23. "The Dodo and its kindred." Strickland and Melville. 1848.

24. "Archaeopteryx macrura." Owen. ' Phil. Trans.' 1863.

25. "On the Odontornithes or Birds with Teeth." Marsh. 'Geol.

Magazine.' 1876.

26. "Geographical Distribution of Animals." Wallace. 1876.

27. "General History of Birds." Latham. 1821-28.

28. "Anatomie und Naturgeschichte der Vogel." Tiedemann. 1810-14.

29. "Histoire Naturelle, generale et particuliere, des Oiseaux." Buffon.

Ed. by Sonnini. An. xiv. (Eng. Translation by Smellie. 1793.)

30. "History of British Birds." Bewick. 6th ed. 1826.

31. "History of British Birds." Macgillivray. 1839-41.

32. "History of British Birds." Yarrell.

33. "Catalogue of Birds in the British Museum." Bowdler Sharpe.1874, 1875, 1877.

34. "Birds of Europe." Gould. 1832-37.

35. "Birds of Australia." Gould. 1840-48.

36. " Monograph of the Trochilidae." Gould.

37. "Monograph of the Rhamphastidae." Gould. 1833-35.

38. " Illustrations of Ornithology." Jardine and Selby. 1825-39.

39. "Monograph of the Anatidae." Eyton. 1838.

40. "Monograph of the Alcedinidae." Sharpe. 1871.

41. "Iconographie Ornithologique." Des Murs. 1849.

42. "Birds of America." Audubon. 1826.

43. "Birds of America." Audubon. (Abridged from the larger work.)1840-44.

44. "American Ornithology." Wilson. 1808-14.

45. "Catalogue of North American Birds." Baird. 1859.

46. "Key to North American Birds." Coues. 1872.

47. "Fauna Boreali Americana." Richardson. (The Birds by Swainson.) 1831.

48. "Distribution and Migration of American Birds." Baird. 'Amer.

Journ. Sci. and Arts.' 1866.

49. "Manual of the Ornithology of the United States and Canada.'*

Nuttall. 2d ed.. 1840.

50. "Birds of India." Jerdon. 1862-64.