476 Mr. R. B. Sharpe on Birds from Fao* 
notes sent by him (which are enclosed in brackets) contain 
very instructive information on the migration of some of 
the species observed, while his account of the nesting of 
Hypocolius is an interesting record of a hitherto unknown 
fact. 
1. Circus macrurus (Gm.) ; Sharpe, Cat. B. Brit. Mus. 
i. p. 67 (1874); Blanf. East. Persia, ii. p. 110 (1876). 
No. 58. An adult and a young male, the latter losing the 
brown immature plumage. [Shot in November 1884.] 
No. 44. A male and female in immature plumage. [Shot 
in September 1884. Winter visitant.] 
2. Buteo desertorum (Daud.); Sharpe, t. c. p. 179. 
No. 103. One of the specimens sent is in the dark plumage 
of so-called B. menetriesi. 
[Winter visitant. Shot on 9th and 10th September, 1884.] 
3. Nisaetus pennatus (Gm.); Sharpe, t.c. p. 253. 
Aquila pennata } Blanf. t.c. p. 112. 
No. 99. A male and female in light plumage and one in 
the melanistic phase. 
[Winter visitant. The black one was shot on the 9th of 
September, 1884, and the other two on the 23rd of the same 
month; they were seated together on an old mud fort.] 
4. Milvus korschun (Gm.); Sharpe, t. c. p. 322. 
Milvus migrans, Blanf. t.c. p. 114. 
No. 48. Two specimens. 
[These Kites visit Fao frequently during the year, but do 
not remain longer than a couple of days at a time, roosting 
at night on the date-trees. 
During the winter they are more frequently seen circling 
overhead. 
From March to April large flocks migrate from S. to N.] 
5. Pernis apivorus (L.); Sharpe, t. c. p. 344. 
No. 107. An example in uniform brown plumage. 
[Winter visitant. Shot September 22, 1884.] 
