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ASH-COLOURED HARRIER. 
Circus dneraceus Selby. 
PLATE XXIII. 
Ash-coloured Falcon, Falco dneraceus, Mont. Trans. 
Linn. Sue. ix. p. 188. — Ornith. Diet. — Ash-coloured 
Harrier, Circus dneraceus, Selby, Sfc. 
We are indebted to the assiduity of the late 
Colonel Montague for the discovery of this species 
to the British Fauna. Closely allied to the pre- 
ceding, it had remained confounded with it, and 
although the distinctions are strongly marked, 
unless to an observer such as we have mentioned, 
they would be very easily overlooked. It is a 
6pecies of much greater rarity than the Common 
Harrier, and, so far as we know, has not yet 
occurred in Scotland. Neither has it yet been 
ascertained to be a native of Ireland. Mr Selby 
mentions its occurrence on the Northumbrian 
muirs, where it breeds, but this is the most 
northern locality which we have seen noticed. 
Montague records its being taken and breeding 
in Devonshire, and we have occasional mention 
of it3 occurrence in some other of the English 
counties, particularly in the south, though its 
