ECOLOGY OF THE HOATZIN BEEBE. 543 



(7) Berlepsch, Hans Graf von. 1884. On Bird Skins from the Orinoco, Venezuela. 

 The Ibis. 5th Series. Vol. 2, p. 440. (8) 1908. The Birds of Cayenne. Novi- 

 tates Zoologicae. Vol. 15, p. 297. 



(9) Berlepsch, Hans Graf von, and Hartert, Ernst. 1902. On the Birds of the 



Orinoco Region. Novitates Zoologicae. Vol. 9, p. 122. 



(10) Bingham, Hiram. 1909. The Journal of an Expedition Across Venezuela and 



Colombia, p. 61. 



(11) Brisson, M. J. 1760. Ornithologie. Vol. 1, p. 304. 



(12) Brown, C. Barrington. 1876. Canoe and Camp Life in British Guiana, p. 257. 



(13) Buffon, G. L. L. de. 1771. Historie Naturelle Oiseaux, Vol. 2, p. 385. 



(14) Bdrmeister, Hermann. 1856. Thiere Brasiliens, Vol. 3, pp. 342-3. (15) 



1S70. Journal fur Ornithologie, p. 318. 



(16) Cherrie, George K. 1909. The Hoatzin. The Museum News, Vol. 4, pp. 50-53. 



(17) Evans, A. H. 1899. Cambridge Natural History, Birds, Vol. 9, pp. 241-242. 



(18) Gadow, Hans. 1892. Crop and Sternum of Opisthocomus Cristatus. Proc. 



Royal Irish Acad. 3rd Series. Vol. 2, pp. 147-153. 



(19) Garrod, A. H. 1879. Notes on Points in the Anatomy of the Hoatzin. Proc. 



Zool. Soc, Lon., pp. 109-114. 



(20) Goeldi, Emil A. 1894. As Aves do Brazil, pp. 442-445. (21) 1903. Orni- 



thological Results of an Expedition up the Capim River. The Ibis. Sth 

 Series. Vol. 3, p. 417. 



(22) Hernandez. 1651. Nova Plantarum, Animalium et Mineralium Mexicanorum 



Historia, p. 320. 



(23) Hornaday, W. T. 1876. Unpublished Journal. 



(24) Hcxley, T. H. 1868. The Affinities of Opisthocomus. Proc. Zool. Soc, Lon., 



pp. 304-311. 



(25) Ihering, Hermann von. 1907. As Aves do Brazil, p. 26. 



(26) Latham. 1783. Gen. Syn., Vol. 2, pt. 2, p. 741. 



(27) Loat, W. L. S. 1898. Field Notes on the Birds of British Guiana. The Ibis. 



7th Series. Vol. 4, pp. 558-567. 



(28) Muller. 1776. S. N. Suppl., p. 125. 



(29) Newton, Alfred. 1893-6. Dictionary of Birds, p. 423. 



(30) Ogilvie-Grant, W. R. 1893. Catalogue of the Birds in the British Museum. 



Vol. 22, pp. 523-525. (31) 1905. Guide to the Birds in the British Museum, 

 p. 56. 



(32) Parker, W. K. 1891. On the Morphology of a Reptilian Bird. Trans. Zool. 



Soc, Lon., pp. 43-85. 



(33) Pelzeln, August von. 1871. Zur Ornithologie Brasiliens, p. 2S0. 



(34) Penard, P. and A. 1908. De Vogels van Guyana, pp. 307-309. 



(35) Perrin, J. B. 1876. On the Myology of Opisthocomus Cristatus. Trans. Zool. 



Soc, Lon., Vol. 9, part 6, pp. 353-370. 



(36) Quelch, J. J. 18S8. Notes on the Breeding of the Hoatzin. The Ibis. 5th 



Series. Vol. 6, p. 378. (37) 1888. A Collecting Trip on the Abary. Timehri, 

 N. S., Vol. 2, part 2, p. 364. (38) 1S90. On the Habits of the Hoatzin. The 

 Ibis. 6th Series. Vol. 2, pp. 327-335. 



(39) Schomburgk, Richard. 1848. Reisen in British Guiana, Vol. 3, p. 712. 



(40) Sclater, P. L. 1857. Further Additions to the List of Birds Received in Col- 



lections from Bogota. Proc. Zool. Soc, Lon., pp. 15-20. (41) 1887. British 

 Guiana and its Birds. Ibis. 5th Series. Vol. 5, p. 319. 



(42) Schlater and Salvin. 1873. The Birds of Eastern Peru. Proc. Zool. Soc, 



Lon., p. 308. 



(43) Sharpe, R. Bowdler. 1891. A Review of Recent Attempts to Classify Birds,, 



p. 70. (44) 1898. Wonders of the Bird World, p. 19. (45) 1899. A Handlist 

 of the Genera and Species of Birds. Vol. 1, p. 93. 



(46) Stejneger, L. 1885. Riverside Natural History, Vol. 4, Birds, p. 196. 



(47) Stephens, J. F. 1819. Hoatzin Serpent-eater. Shaw's General Zoology, Vol. 



11, pp.192-194. 



(48) Wallace, A. R. 1876. Geographical Distribution of Animals, Vol. 2, p. 345. 



