Vol. xi.] 10 



of the genus Aquila to a very important rule, enunciated by 

 the late Dr. Severtzoff, for the determination of the first 

 plumage of the Eagles. The fact is that Eagles moult very 

 slowly, and the first plumage, in its entirety, is the only 

 absolutely complete and uniform garb assumed during the 

 bird's life. All subsequent plumages are of a mixed character, 

 consisting, owing to the gradual moults, of worn feathers 

 and new ones assumed by degrees. 



" Further notes on the genus Aquila will shortly be pub- 

 lished by me in the ' Bulletin ' of the Moscow Ornithologists' 

 Society." 



The Chairman thanked Dr. Sushkin, in the name of the 

 Club, for his lucid and valuable memoir, and Mr. de Winton 

 proposed that his paper should be published in full in the 

 ' Bulletin.' This resolution was carried with acclamation. 



Mr. Ernst Hartert gave a report of the proceedings of 

 the 50th Anniversary Meeting of the German Ornithological 

 Society in Leipzig, held from October 5th to October 9th. 

 A full account will appear in the f Ibis.' 



The Hon. Walter Rothschild sent for exhibition a 

 clutch of three eggs of Bubo ascalaphus, collected by the 

 Hon. N. Charles Rothschild and Mr. Francis Gayner on the 

 Dahshur Pyramid on the 12th of April, 1900 — also an 

 interesting melanistic specimen of Podicipes fluviatilis from 

 his collection. 



Mr. Eugene W. Oates read the following note : — 

 " Colonel G. Rippon, knowing the interest that I take in 

 the Timeliine Birds, has kindly placed in my hands for 

 description a new species of Trochalopterum. This bird is, 

 I think, the most interesting of the new species he has 

 brought back from the Shan States, and I feel that I cannot 

 therefore do better than dedicate it to him. 



" Trochalofterum ripponi, n. sp. 



"Allied to T.phceniceum from the Himalayas, but differing 

 from that species in many important points. The crimson 



