MUSCICAPIN^. PTILOGONYS. 
45 
a patch on the wings formed by the margins of the primaries and the 
basal half of most of the secondaries, together with three-fourths of 
both webs of the outer four tail-feathers on each side, and the outer 
web of the next, bright orange-red ; abdomen and lower tail-coverts 
white. Female with the upper parts yellowish-brown, the head grey, 
the quills greyish-brown, the tail darker, the parts yellow which in 
the male are bright orange ; the rest of the lower parts white, tinged 
with yellow. Young similar to the female, more grey above, and with 
less yellow beneath. 
Mahj 5, 6^. Female. 
Throughout the United States. Abundant. Migratory. 
American Redstart, Muscicapa Ruticilla, Wils. Amer. Orn. v. i. p. 103. 
Muscicapa Ruticilla, Bonap. Syn. p. 68. 
American Redstart, Muscicapa Ruticilla, Add. Amer. Om. v.i. p. 202 ; v. v. p. 428. 
American Redstart, Muscicapa Ruticilla, Ndtt. Man. v. i. p. 291. 
GENUS V. PTILOGONYS, Swains. PTILOGONYS. 
Bill short, rather strong, somewhat triangular, depressed 
at the base, a little compressed at the end ; upper mandible 
with the dorsal line convex at the end, the nasal groove 
wide, the sides convex toward the end, with a distinct notch, 
the tip short, rather obtuse ; lower mandible with the angle 
rather long and wide, the dorsal line ascending and convex, 
the sides convex toward the end, the tip small, with a slight 
notch behind. Nostrils linear, oblong, partially concealed 
by the feathers. Head ovato-oblong ; neck rather short ; 
body slender. Feet short, and rather slender ; tarsus shorter 
than the middle toe with its claw, compressed, covered an- 
teriorly with a long plate and three inferior scutella ; toes 
free, the outer only adherent at the base ; hind toe rather 
large, stouter, outer a little longer than inner ; claws mode- 
rate, arched, much compressed, laterally grooved, acute. 
Plumage soft and blended ; slight bristles at the base of 
the upper mandible, and the feathers in the angle of the 
lower jaw bristle-tipped and curved forward. Wings long, 
rounded ; first quill very small, fourth longest. Tail very 
long, straight, emarginate, and rounded, of twelve feathers. 
This genus seems to connect the Thrushes with the Fly- 
catchers. 
