134 
side of the neck chestnut, speckled with black ; stripe down the back 
of the neck buff, speckled with black; sides and back of the neck 
spotted black and white ; all the upper surface, wings and tail grey- 
ish brown, very minutely freckled with dark brown and greyish 
white; centre of the back blotched with black; inner webs of the 
scapularies and secondaries dark brown, margined internally with 
buff, forming a line in the direction of the body when the wing is 
closed ; all the under surface chestnut, distinctly spotted with white, 
the spots separated by black; under tail-coverts buff, with a black 
mark down the centre of each; middle of the abdomen reddish chest- 
nut; bill black; feet flesh-colour. 
Young Male.—Crest and ear-coverts brown, head and throat stri- 
ated with rufous and black; spots on the back stronger than in the 
adult ; the colouring of the under surface similar, but much less rich, 
and the centre of the abdomen deep buff. 
Female.—Crest and ear-coverts brown; sides of the head and the 
under surface pale buff, spotted and blotched with brown and black ; 
centre of the abdomen wholly buff; all the upper surface pale brown, 
crossed by numerous narrow freckled bars of white; tail crossed by 
six or eight similar bars. 
Total length, 83 inches; bill, 7°;; wing, 44; tail, 25; tarsi, 14. 
Hab. Santa Fé de Bogota. 
Orryx (OponTorHorvs) stropHium. O. vertice et plumis auricu- 
laribus nigrescenti-fuscus ; facie sordide albd nigro punctatd ; 
mento albo, guld saturate nigra, lunuld albd, ornatd. 
Crown of the head and ear-coverts blackish brown; sides of the 
face dull white, speckled with black ; chin white ; throat deep black, 
crossed by a broad crescent-shaped mark of pure white ; all the upper 
surface dark brown, freckled and marked with sandy buff; each of 
the scapularies with a large patch of black near the tip of the inner 
web, and a stripe of buff down the centre; all wing-coverts with a 
spot of buff at the tip; primaries and spurious wing dark brown; 
breast and under surface rich reddish chestnut, with a large spot of 
white in the centre of each feather; vent and under tail-coverts deep 
brown tinged with buff; bill black ; feet blackish brown. 
Total length, 9 inches; bill, 1; wing, 543; tail, 2; tarsi, 2. 
Hab. The southern countries of Mexico. 
This is a most robust species, and distinguished from its congeners 
by its larger bill, shorter tail, and large and powerful tarsi. 
The Meeting was then adjourned to November 28, the Chairman 
observing that as the Society was about to remove from Pall Mall to 
Hanover Square, it would be necessary to pass over the Meeting 
announced on the Society’s cards for November the 11th. 
