Ornithological Literature of \^7\. 439 



rials which had come to light since the author's 'Birds of India' 

 was published, and to prepare the way to a second edition of 

 that important work. On most of the species included in his 

 work Mr. Jerdon had some additional information to impart. 

 Falco milvipes is recognized as distinct from F. sacer. Ci/pselus 

 infumatus is figured (plate x.). 



Jesse, W. See Labouchere, H. M. 



Jaycox, T. W., Jun. 



'Cornell Era/ 8th Dec. 1871. 



This communication we have not seen ; but we gather its 

 contents from a letter signed T. W. J. jr. in a Number of the 

 same Journal dated 13th Jan., 1872. From the latter it would 

 seem that a Grouse had been described as Bonasa johsi, but 

 was subsequently admitted to be a somewhat abnormal variety 

 of B. umbellus. 



Koch, Gottlieb v. 



1. Synopsis derVogel Deutschlands. Kurze Beschreibung alter 

 in Deutschland vorkommenden Arten. Heidelberg : 1871. 

 Pp. 137, 8 pi. 



See Zool. Gart. 1871, p. 316. 



2. Die Sanger Mitteldeutschlands. Abbildung und Beschrei- 

 hung der mitteldeutschen Sylvien. Niirnberg : 1870. 8vo, 

 with eighteen plates. 



3. Die Stellung der Vogel. Hefte 1, 2. Heidelberg : 1871. 

 8vo, with twenty plates. 



We have seen neither of these papers. 



KOSSMAN, ROBBY. 



Ueber die Talgdrilsen der Vogel. Zeitschr. f. wiss. Zool. xxi. 

 p. 568. 



An essay on the structure and minute anatomy of the oil- 

 gland of birds, without any special reference to classification. 

 This singular organ, however, is very fully described, and excel- 

 lent figures are given to show its form and mode of action. 



KrIEGER, 0. VON. 



Buteo tachardus sive desertorum zum zweiten Mai in Thiirin- 



gen erlegt. J. f. 0. 1871, p. 109. 

 Records a (second) supposed occurrence of this recent addi- 



