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293 
lines in length, by one inch eight lines in breadth, ofa pale 
brownish white, blotched over the larger end with darker brown.” 
Of the nearly allied A. Ferrugineus, Captain Blackiston re- 
cords finding nests in April and July, between the north and 
south branches of the Saskatchewan river in the interior of Bri- 
tish North America. One nest, he says, which contained four 
eggs, placed in an Aspen tree, some twenty feet from the 
ground, was composed of sticks, lined with Buffaloe wool, and 
measured 24 feet across ; another nest contained five eggs, and 
was situated in a tree, only ten feet above a lake, a third nest 
contained two eggs.” ‘The eggs, he says, are of a white colour, 
plain, or more or less blotched with reddish brown. 
Mr. Blyth considers our Indian species to be a mere strag- 
eler from the Mongolian Region, but it does not seem to have 
been procured either in Northern China, or in any part of Sibe- 
ria, or the Amoor land, by Radde, Middendorf, Pallas, &e. 
No. 50. Circus Cyaneus,* Liv. 
Tur Hen Harrier. 
As far as is yet known, this species does not breed in India, 
south of the Snowy Range, but I have been assured, that a fe- 
* Circus Cyaneus. 
lo} 
S | Weight. 
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| Length of cere on culmen. 
