88 
FALCO ULIGINOSUS. 
knees, long; those and the feet, a fine yellow ; clafl'*’ 
black ; femorals, pale rusty, faintly barred with a darken 
tint. 
In the month of April I shot a female of this speci*^’ 
and the only one 1 have j’et met with, in a swamp, seV*^'' 
or eight miles below Philadelphia. The eggs were, sOlO® 
of them, nearly as largo as peas, from which circui*' 
stance, I think it probable, they breed in such solitary 
parts even in this state. In colour, size, and marking’’* 
it differed very little from the mde described ahovr- 
The tail was scarcely quite so black, and the white bat* 
not so pure; it was also something- larger. 
24. FALCO VLIOINOSUS, WILSON. — FALCO OTAXEOS, LINN-E®®' 
MARSH HAWK. 
WILSON, PLATE LI. FIG. I. YOUNG FEMALE. 
A DRAWING of thi.s hawk was ti-ansmitted to 
Edwards, more than fifty yeans ago, by Mr Willi®^ 
Bartram, and engi-aved'in Plate 291 oi Edward^ f. 
Ornithology. At that time, and I believe till now, >* I 
has been considered as a species peculiar to this couO' 
try. 
I have examined -various individuals of this hawk* 
both ill summer and iii the depth of n-inter, and fin’i 
them to correspond so nearly w'ith the rino--tail 
Europe, that I have uo doubt of their beino- the sain’’ 
species. 
This hawk is most numerous where there are extn®' 
sive meadows and salt marshes, over which it sails vci^ 
low, making frequent circuitous siveeps over the sain® 
ground, in search of a species of mouse, very abundant in 
such situations. It occasionally flaps the wings, but i^. 
most commonly seen sailing about ivithin a few feet o* 
the surface. The}* are usually kiiowm by the name of th® 
mouse-hawk along the sea-coast of New Jersey, wher® 
