AND THK I'KOBLEM OF D1 ASTATAX V. 
327 
REFERENCES. 
1. Gadow, II. “ Bronn’s Klassen und Ordnung. des Thier Reichs. Yogel.” 
Anatomisohe Tbeil, 1891. 
2. Gcrbe, Z. “Sur les Plumes du Yol et leur Mul.” Bun. Soc. Zool. 
France, tom. ii. 1877. 
15. Goodohild, J. G. “The Cubital Coverts of the Euorinthes, in relation 
to Taxonomy.” Proc. Roy. Phys. Soc. Edinb. vol. x. 
1890 - 91. 
4. 
6 . 
7. 
8 . 
9. 
10 . 
11 . 
12 . 
13. 
Mitchell, P. C. “On So-called Quinto-cubitalism in the Wing of Birds.” 
Lin. Soc. Journ. Zool. vol. xxvii. 
„ „ “ On the Anatomy of the King-fishers, with special 
Reference to the Conditions in the Wing known as 
Eutaxy and Diastataxy.” ‘Ibis,’ 1901. 
„ „ “On the Intestinal Tract of Birds.” Trans. Lin. Soc. 
Zool. vol. viii. part 7. 
Pyoraft, W. P. “The Wing of Archaeopteryx.” ‘Natural 8cience,’ 
vol. v. 1894. 
„ ,. ‘Natural Science,’ vol. viii. 1896. 
„ „ “ Some Facts concerning the So-called ‘ Aquinto- 
cubitalism ’ in the Bird’s Wing.” Lin. Soc. Journ. 
vol. xxvii. 
„ „ “ On the Morphology and Phylogeny of the Paheogna- 
thno.” Trans. Zool. Soc. vol. xv. 1900. 
,. “ Some Points in the Morphology of the Palate of the 
Neognatlue.” Journ. Lin. Soc. Zoology, vol. xxviii. 
Sundevall, C. J. “On the Wings of Birds.” ‘ Ibis,’ 1886. 
Wray, R. S. “ On some Points in the Morphology of the M ings of 
Birds.” Proc. Zool. Soc. 1887. 
Y 
