is«i.s] GULAR POUCH OF THE GREAT BUSTARD 323 



7. Gadow, H.— Article "Air-sacks," in A. Newton, Dictionary of Birds. 1S96. 



8. Garrod, A. H. — "On the ' Showing-ofi ' of the Australian Bustard (Kupodotis aus- 



tralis)." Proc. Zoo/. Soc. 1874. P. 471-3. 1874. 



9. Garrod. A. H. — "Further Note on the Mechanism of the ' Show-off' in Bustards." 



Proc. Zoo!. Soc. 1874. P. 673. 1874. 



10. Meckel. — Traits' General d'anat. Comp. viii. i>. 236. 



11. Murie, J. — " Observations concerning presence and function of the Gular Pouch in 



Otis kori, and 0. australis. Proc. Zoo/. So,: 1868. P. 471. PI. xxxvi. 1868. 



12. Murie, J. — " Note in the Sublingual Aperture and Sphincter of the Gular Pouch in 



Otis tarda. Proc. Zool. Soc. 1869. P. 140. 1869. 



13. Naumann. — Naturgesch. der Vogel Deutschl., vii. pp. 10, 20-21. 1834. 



14. Newton, A. — "On the supposed Gular Pouch of the Male Bustard {Otis tarda, 



Linn.):' Proc. Zool. Soc. 1862. Pp. 107, 127. 1862. 



15. Owen. — Article " Birds " in Todd's Cyclopaedia Anat. and Physiology. 

 15a Peyronie.— Voyages de M. P. S. Pallas, iv. p. 309. 1793. 



16. Schneider. — (Reliqua Librorum Friderici II. Imperatoris, &c.) 1788. i. p. 34. 



17. Tristam.— Ornith. N. Africa. Ibis. Vol. i., ser. 1, p. 285. 1859. 



18. Yarrell.— Trans. Linn. Soc. xxi., pp. 159, p. 160. 1853. 



