95 
the name Lithofalco Chiquera, from ignorance (Valde deflendus,) 
of the specific name proposed for owr Chiguera. I append exact 
measurements, and a full description, (taken from the freshly 
killed bird) of a fine adult female. 
Dimensions. Length, 13°5. Expanse, 27:25. Weight, 8°5 oz. 
Wing, 8°62; the 3rd primary the longest; Ist, 0-94shorter; 2nd, 
0:19; 4th, 0°56. Tail from vent, 6:13 ; exterior tail feather, 0°75 ; 
shorter than central ones. Tarsus, feathered in front, for half an 
inch, 1°63. Foot, greatest length, 3-15; greatest width, 2:8; mid 
toe, 1°56; its claw along curve, 0°63; hind toe, 0°63; its claw 
along curve, 0°69. Bill straight, 0°75; along curve, nearly 1. 
From gape, 0°88; width at gape, 0°88; height at front, at 
margin of cere, 0°34; length of cere, 0°19. Wings when closed 
reach to within 2°25 of end of tail, 
Description. Legs and feet, pure, slightly orange, yellow; 
claws black ; toes, long and slender, with pads, especially of pe- 
nultimate jomt, much developed. Scutze of tarsus, reticulate ; 
those of front, comparatively large; three or four scutz at base of 
tarsus, over foot ; and those of upper surface of toes ; transverse ; 
claws, fine and very sharp ; the inner edge of mid claws, slightly 
dilated. 
Trides, rather light brown. Orbits, yellow, brightest at the 
angles of the eye. Bill, greenish yellow, at base; bluish black 
at tips. ‘Tongue, rather short, narrow compared with gape; 
nearly square-ended ; emarginate at tip. 
Plumage. A narrow band across forehead; not quite pure 
white. Lores dingy white, but with a dark brown line, run- 
ning through them, and under the eye as far as the cheek 
stripe; and over the eye, as a narrow supercilium; and for a 
little distance behind the eye as an ill-defined patch, of dark 
brown, mingled with chestnut. The whole of the top, and 
back of the head, and sides and back of upper neck; a rich deep 
chestnut. Lower neck behind, upper back, and scapulars, a 
pure, uniform, pale, slaty blue, or blue grey, the shafts of the 
feathers being darker. The lower back, and rump similar, but 
slightly paler, except at the very tips of the feathers. Upper 
tail coverts similar, until separately examined, when they prove 
to be much paler, (almost white at the base) than at the tips 
and white 3, 4, or 5 arrowhead, transverse, darker bars, which 
though, (with the exception of the terminal one, which is faint,) 
well marked, are concealed by the over-lapping of the feathers. 
The tail feathers are the same colour as the back, (the central 
ones being rather more dingy and the exterior ones, whiter) 
with greenish white tips, an inch and a half subterminal black 
band and above this about five somewhat imperfect, narrow, 
