244 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Urubitinga anthracina cancrivora Clark. 
Crabier ; St. Vincent Black Hawk. 
Urubitinga anthracina cancrivora Clark, Proc. biol. soc. Washington, vol. 18, 
p. 63, Feb. 21, 1905. 
Type locality .— Barrouallie, St. Vincent. 
Color. — Adult female (type): general color, deep sooty black, 
the bases of the feathers of occiput, hind neck, and back white, then 
buff just below the black ends, the buff and white showing through 
in a sort of irregular mottling; upper and under tail coverts tipped 
with white, downy feathers of crop region grayish white ; malar 
region dull buff, finely streaked with black; thighs black, the feath¬ 
ers very narrowly tipped with dull rusty. Wings black, the sec¬ 
ondaries and tertials mottled and partially banded with dark grayish 
and rusty, the rusty color predominating on inner webs, the grayish 
on outer. Bases of primaries mottled with whitish on inner webs; 
quills also white, forming a grayish white wing spot on under side 
of closed wing. Tail banded black and white as follows: the 
feathers mottled at base with white, forming an incomplete whitish 
band, then a broad black band, another narrow and incomplete white 
band, a broad black band, then (at about the middle of the tail) a 
broad white band, followed by a much broader black band and white 
tips. Shafts of rectrices white at base, becoming black in the first 
broad black band, and remaining black on upper surface to the end 
of the tail, but white again on under surface through the broad 
white central band. 
Feet, cere, and base of bill orange; iris brown. Tip of bill 
black. 
This subspecies differs from U. a. anthracina in having a longer 
and relatively narrower bill, with the tip more produced; and in 
color in having the feathers of the hind neck and back spotted with 
buff and white (in XI. a. anthracina the hind neck is spotted with 
whitish, but there is very little if any on the back), and being in 
general of a deeper and more sooty black. 
Lawrence (’78a, p. 194) remarked that the single specimen sent 
