Zoological Society. 215 



nymy occur with regard to the species mentioned. By these means 

 the work is rendered highly useful to the ornithological student, and 

 especially to those who are desirous of obtaining an index to the ex- 

 tensive subdivisions that have been made within the last few years 

 in this interesting department of zoology, through which the num- 

 ber of genera has been so largely increased. It bears every appear- 

 ance of having been compiled and arranged with industry, diligence, 

 and good faith. 



PROCEEDINGS OF LEARNED SOCIETIES. 



ZOOLOGICAL SOCIETY. 



Aug. 13, 1839.— William Yarrell, Esq., Vice-President, in the Chair. 



A collection of Bird-skins, from the neighbourhood of Erzeroom, 

 presented to the Society by E. D. Dickson, and H. J. Ross, Esqrs., 

 was exhibited. 



The species contained in this collection were brought under the 

 notice of the Meeting by' Mr. Eraser, and the following notes (made 

 by Messrs. Dickson and Ross) which accompanied them, were read. 



Buteo } August 20t. Very common : arrives middle 



of March, and leaves middle of November. 



* Falco tinnunculus, Linn. MJ. April 28. Common. Iris dark 

 hazel. A mouse found in its stomach. This bird was perched on a 

 tree, with some starlings and sparrows. 



Falco tinnunculus, lAnn. F. April 29. A bird and a frog found in 

 its stomach. Five well-developed eggs in the ovarium. Another 

 had eight eggs, besides a great many small ones, and its stomach 

 contained a frog and some scaly substances, probably a portion of a 

 fish. It breeds in April, on lofty poplars, and also on the top of 

 minarets. Arrives early in April and departs late in November. 



Falco jEsalon, Temm. M. April 23. Eyes large, round, and of 

 a bluish-black colour : rim of eyelids, cere, and legs, bright yellow. 

 A great number of thin tough worms, from one to two inches long, 

 between the peritoneum and muscles on the left side : neither sto- 

 mach nor intestines contained any. 



Milvus ater, Gould. M. May 10. Common. Shot on a tree 

 close to the town. Eyes large, of a light cinnamon colour, and with 

 a black ring round the iris. Testicles reniform ; yellow. Arrives 

 middle of March. 



Noctua Indica, Franklin. August 1. Common about the foot of 

 the mountains near the town. 



t The date when the specimen was procured. 



* The species marked with an asterisk have been noticed in the Proceed- 

 ings as inhabitants of TrebizoncI, a locality not far distant from Erzerooni. 

 See Proceedings for 1834, pp. 30 & 133; for 1835, p. 90; and for 1837, 

 p. 126. 



I The letter M stands for male, and F for female, tliroughout the paper. 



