140 Ant. Reichenow: 



A. (x. Butler. On Sexual Differences in the Wing of the 

 Hoiise-Sparrow (Passer domesticus); Zoologist 1900, 74 — 75. 



Derselbe. On the sexual Differences in the wings of birds; 

 Avicult. Mag. VI. 1900, 81—83. 



E. Degen. On Sexual Differences in the Feathering of the 

 Wing; Zoologist 1900, 249—255. 



J. Dwight jr. The Moult of the North American Tetraonidae 

 (Quails, Partridges and Grouse); Auk 1900, 34—51, 143—166 

 T. IV u. V. 



Derselbe. The sequence of plumages and moults of the 

 Passerine birds of New York; Ann. N. York Acad. XIII. 1900, 73 

 —345 T. I— VIT. 



Derselbe. The Plumages and Moults of the Indigo Bunting 

 (Passerina cyanea); Science N. S. 12. 1900, 627—630. 



L. Hargrave. Sailing Birds are dependent on Wave-Power; 

 Journ. Proc. R. Soc. N. S. Wales 33. 1900, 125—128. 



0. Heinroth. Ueber die Fusshaltung fliegender Möwen und 

 Kampfschnepfen bei Frost; Orn. Mntsb. 1900, 41—42. 



Derselbe. [Ueber die Mauser von Plotus]; Journ. Orn. 

 1900, 370. 



A. H. Norton. On the perfected Plumage of the King Eider 

 (Somateria spectabilis); Auk 1900, 16 — 18. 



E. Oustalet. Note sur une particularite de la patte chez les 

 Manchots; Bull. Mus. Paris 1900, 218—222. 



W. P. Pycraft. A Contribution towards our Knowledge of 

 the Pterylography of the Megapodii; Zool. Results A. Willey 1900, 

 483—492. 



E. Regalia. Unghie ai diti I e II della mano in uccelli italiani 

 e in altri; Atti Soc. toscana Sc. nat. Proc. Verb. 12, 1900, 111 — 127. 



Roth. Ueber die Fusshaltung fliegender Möwen; Orn. Mntsb. 

 1900, 15G. 



A. H. Thayer. Arguments against the Banner Mark Theory; 

 Auk 1900, 108—113. 



W. E. de Wiuton. Further Notes on the Moult of the King 

 Penguin (Aptenodytes pennanti) living in the Society's Gardens; 

 Proc, Zool. Soc. London 1899, 980—981. 



Wurm. Die Schutzfärbung der Schneehühner; Orn. Mntsschrift 

 1900, 27—34. 



IX. Bastarde, Missbildungen. 



G. E. Beyer. (Hybrid between Anas boschas and Dafila acuta) ; 

 Auk 1900, 170—171. 



Gronau. Hahnen- und Hennenfedrigkeit; Orn. Mntsb. 1900, 

 218—221. — S. auch Wurm ebenda S. 221-222. 



L. Cu^not. Presentation d'une poule ä plumage de coq.; Bull. 

 Soc. Sc. Nancy (3.) T. 1, 1900, 132. 



