Prof. Brandt on Siberian Birds described lij Latham. 113 



As Mr. iVIacg-illivray's observations on some specimens of Farcimia 

 which occurred to him at Aberdeen would appear to throw some 

 doubts upon the genuineness of this species, I have been induced to 

 re-examine carefully my specimens of Farcimia, and the result has 

 been, that in no case have I found other than rhomboidal cells on 

 those of Farcimia saUcornia, or spathulate, or modified spathulate, on 

 those of F. sinuosa, or as I have now named it, F. spathulosa, a term 

 which expresses a more positive character of the species than the 

 other. The modified spathulate cells do indeed approach somewhat 

 to a rhombic form, but are not perfectly so, and these I have only 

 noticed in three or four of the basal, imperfectly developed internodes 

 of a single specimen. My opinion, therefore, of the validity of this 

 species remains unshaken ; indeed, the great difference in the size of 

 the internodes affords a character sufficiently distinctive, when there 

 are no other differences between the species. 



XIX-.— 0/z certain species of Siberiati Birds described by 

 Latham, but ivhich have hitherto been iiisufficientlij deter- 

 mined. By Prof. J. F. Brandt of St. Petersburg. (Com- 

 municated by H. E. Strickland, Esq., M.A.) 

 [Being very desirous that some light should, if possible, 

 be thrown on the numerous nominal species of Siberian birds 

 recorded in the works of Latham, I prepared a list of all the 

 so-called species from Asiatic Russia, which appeared to be 

 unknown to the modern ornitholof^ists of Britain. This list 

 I forwarded to Professor Brandt of St. Petersburg, the learned 

 author of ' Descriptiones et Icones Animalium Rossicorum,' 

 and of numerous other zoological memoirs, who has obligingly 

 transmitted to me the letter which is here translated. — H. E. 

 Strickland.] 

 Sir, 

 You have had the goodness to send me a list of those spe- 

 cies of birds in the ' Index Ornithologicus ' of Latham which 

 appear obscure to modern ornithologists. Accept my sincere 

 thanks, together with a short notice of some of these species 

 which I have been enabled to decypher, or which have been 

 already correctly placed by other naturalists. 



I have the honour, &c. 



J. F. Brandt. 

 St. Petersburg, Sept 7, 1S42, 



Rapaces. 



1. Falco leucoryphos. Lath. Ind. Orn. p. 17; Gm. Syst. vol. i. 

 p. 259 ; Pallas, Itin. vol. i. p. 454 ; Aquila leucorypha. Pall. Zoogr. 

 Rosso-Asiatica, vol. i. p. 352. = Haliattos leucorypha. It was in 

 1836 that I communicated to the Zoological Section of the German 

 naturalists assembled at Jena a notice on the place which this bird 



Ann. ^ Mag. N. Hist. Vol.xl I 



