189 
SWALLOW-TAILED NAUCLERUS. 
Nauderus furcatus — Vigo rs . 
PLATE XV. 
Falco furcatus, Linn Elanus furcatus, Savigny — Nau- 
clerus furcatus, Vigors Swallow-tailed Hawk, Wilson. 
— Swallow-tailed Elanus, Selby. 
We can only notice, what has been repeatedly 
done before, — the capture of the two specimens 
which have given this bird a partial claim to a 
place in onr Fauna. The one was killed near 
Ballachulish in Argyllshire; the other, in 1805, 
was taken alive in Yorkshire ; but since this, 
notwithstanding the strict attention which has 
been given to our native ornithology, no other 
species has been discovered. 
The Argyllshire bird is recorded by the late 
Dr Walker, and the Yorkshire specimen was taken 
by Mr Fothergill, of Carr-End, near Arkrigg. A 
notice of this fact was communicated to the Lin- 
nsen Society, and printed in their Transactions. 
Mr Fothergill states, that, “ apparently to avoid 
the violence of a tremendous thunder-storm, and 
the clamorous persecution of a flock of rooks 
