1915.] Chapin, New Birds from the Belgian Congo. - oll 
naked patches beneath eye light cadmium-yellow, naked skin above eye lemon- 
yeliow; bare skin of foreneck (covered in life by plumage) light blue; feet pale pink. 
Length (skin) 254 mm.; length of bill (culmen from base) 18 mm.; height of 
bill at nostril 9.5 mm.; oitAteat width of maxilla, near gape, 16 mm.:; te (meas- 
ured with dividers) 113 mm.; tail 146 mm. 
In some of the other fade specimens the green borders on the secondaries are 
lacking, and the exact intensity of the white vermiculation is of course variable. 
The measurements of a series of 11 adult males are: bill, 17-18.5 mm.; wing, 108- 
115.5; tail, 136.5-151. This is smaller than any Apaloderma heretofore described. 
Adult Female. Crown, back, and rump brilliant peacock-green, upper tail- 
coverts viridian. lLores, forehead, and ear-coverts more brownish; throat and 
upper breast snuff-brown, sometimes with glossy green at sides of neck or a few 
narrow green borders on the chest. Lower breast cinnamon, sometimes finely barred 
with dusky; belly somewhat lighter and rosier than that of male; feathering of legs 
dusky. ‘Tail similar to that of male; but the vermiculation on the wing-coverts 
and secondaries is very much finer, and light ochraceous-buff, not white. 
Iris red-brown; naked cheek-patches lemon-yellow, base of bill slightly deeper 
yellow; culmen dusky, bill light green below; feet flesh-color, claws gray. 
Measurements of three adult females: bill (culmen from base), 17-17.5 mm.; 
wing 104.5-113 mm.; tail, 140-149 mm. 
An immature male has the green of the upper breast broken by irregular bars of 
cinnamon. The lower breast is cinnamon mixed with rose, and barred at the sides 
with green, and shades to light scarlet-red on belly and under tail coverts. The 
greater wing-coverts and three inner secondaries bear each a large spot of light 
ochraceous buff, extending across the whole width of the innermost secondary, and 
most of the secondaries are vermiculated or speckled on their outer webs with buff. 
Just behind the eye there is a small spot of white, and the lower edge of the ear-coverts 
is marked by a buff line. 
Iris dark brown; maxilla dusky, but its base Se acl like the naked cheek- 
patches, mandible light yellowish-green, with eee tip; feet pinkish. Biull, 
18.5 mm.; wing, 108; tail, 139. 
A neatien (), with tail only 25 mm. long, is of a yellower green above (calliste 
green); lores, forehead and entire underparts cinnamon-buff, the downy feathers 
slightly tipped with dusky except on abdomen. The wing-coverts and inner second- 
aries bear large spots of buff. Iris brownish-gray; bill very light bluish-gray, its 
base and corners of mouth greenish-yellow; feet pale flesh-color, claws gray. 
The spots on the inner secondaries, in the first plumage, appear to be much larger 
in the case of A. minus than with A. narina, for an immature female specimen of 
the latter shows only rounded spots on the outer webs not exceeding 5.5 mm. in diam- 
eter, while the additional buffy speckling is practically absent. 
This trogon was found by us in the Ituri forest, from the Nepoko River 
south to Avakubi and westward to Banalia, but its range is certainly wider 
than this. It is a species perfectly distinct from Apaloderma narina, but 
both occur in the same forests, though the latter was also to be heard at 
times in areas of tall second-growth, whereas A. minus seemed never to leave 
the primitive uncut forest, and was extremely shy and difficult to observe. 
These two trogons may easily be recognized by their voices, the common 
