NOTES. 47 



form, A. n. wolterstorffi Kleinsch.) Both ovaries 

 equally well developed ; the right oviduct was also 

 present, and in much the same condition as the left one. 



Common Buzzard {Buteo vulgaris). Out of six female 

 specimens : — 



a. Adult, December 9tli, 1893, remains of the right ovary 

 were present along the first lobe of the kidney, but 

 reduced to half the size of the left one, which was 

 well developed. 



h. Adult, February 3rd, 1905. An interesting specimen 

 that agrees with the description by Bogdanow of 

 B. menetriesi. Both ovaries nearly equal in size and 

 development ; the right o^dduct also present in the shape 

 of a band. 



c. Immature, November 30th, 1910 (Sardinia). The right 

 as well as the left ovaries present. This specimen 

 belongs to the small Sardinian form that is of an ashy 

 earth-brown colour, tinged with reddish, and that I 

 named B. b. arrigonii [Avicula, VII., 1903). 



Serpent-Eagle {Circaetus gallicus). Out of three female 



specimens : — 



a. Adult; March 29th, 1890. The right ovary was present, 



but appeared atrophied, being about hah the size of 



the left one, and containing very few ova, while in the 



left ovary they were numerous and well developed. 



Merlin {Falco cc.salon). Out of four female specimens : — 

 a. Immature, December 12th, 1897. Showed remains of 



the right ovary along the first lobe of the kidney. 

 h. Adult, December 27th, 1909. Both ovaries nearly equal 



in size and development. 



Red-footed Falcon {Falco vespertinus) . Out of eight 

 female specimens : — 



a. Adult, April 30th, 1894. Both ovaries well developed ; 

 the right duct present, but reduced to a ligamentous 

 strand. 



6.* Adult, but probably it had not attained its fully 

 mature plumage, having a rufous hue on its mantle, 

 and below being paler and more spotted than fully 

 adult females. Both ovaries and their ducts nearly 

 equal in size, and with ova well developed. 



c* A second year's bird. Throat and sides of the neck 

 white, washed with yellowish ; breast, flanks, and upper 

 abdomen of a pale yellowish-red streaked with dusky ; 

 rest of the under-parts like the. throat, and unstreaked. 



