418 REVIEW OF AMERICAN BIRDS. [PART I. 
stout, moderately depressed, rectilinear viewed from above. Hind toe 
and claw shorter than inner lateral. ‘Tail Slightly graduated on sides. 
Throat plain. 
Platycichla. Plumage and wing asin Cichlopsis. Commissure considerably 
arched. Bill attenuated ; lateral outlines decidedly concave viewed from 
above; lower mandible much weaker than in Cichlopsis. Hind toe and 
claw longer than inner lateral. Toes more deeply cleft. Tail slightly 
rounded, Throat streaked. 
MYIADESTES, Swarnson. 
Myiadestes, Swainson, Jard. Nat. Library, XIII. Flycatchers, “1838,” 
132. (Type M. genibarbis, Sw.) 
Plumage soft, loose, and full, especially on the flanks and over thighs. 
Body slender, depressed; the wings much pointed, and reaching nearly to 
Myiadestes solitarius, BarrD. (Jamaica.) 
(Bill and foot natural size; wing and tail three-fourths.) 
middle of lengthened tail; about equal to the tail. Bill weak, short and 
broad, much depressed ; the gape very wide ; the commissure, which is almost 
perfectly straight, more than half distance from nostril to tip of bill; ridge 
well marked ; keel less distinct. Culmen straight to near tip, then decurved, 
hooked, with distinct notch in both tips. Nostrils oval, nearly lateral, with 
overhanging membrane; the frontal feathers coming to posterior edge, bend- 
ing more and more forwards and mixed with bristles. , 
Legs rather weak. Tarsus much compressed, without scutelle,which are 
fused into one plate, with perhaps a single division at lower end anteriorly, 
and one, sometimes two, on outer edge. Toes and claws slender and length- 
ened ; hind claw about equal to middle. Outer lateral toe a little longer than 
inner, and reaching a little beyond the base of middle. Inner toe cleft to base 
of basal joint; basal joint of onter entirely adherent ; basal joint of middle 
toe half adherent externally, one-third internally. 
Feathers of occiput full and somewhat lengthened, forming a crest. Wing 
pointed, although the outer quills are graduated. Primary quills ten: the 
Ist about one-third or less the longest; the 2d equal to &th or 9th; the 5th 
longest ; the Ist falcate and attenuated; the 2d and 3d attenuated also. Tail 
somewhat graduated, and also considerably emarginated or forked ; this fork 
not so deep, however, as the graduation. d 
