DULUS. 401 
A. Gape of mouth much arched. Metatarsal scutelle in two series. Body 
streaked beneath. 
Duline. Legs very stout, though short. Nostrils large, circular, ex- 
posed, with naked membrane behind thongh scarcely above them. 
Frontal feathers directed backwards, soft, and like those of rest 
of head ; with few bristles. Wings longer than the narrow, nearly 
even tail. First primary nearly one-half the 2d, which is much 
longer than secondaries. Under tail coverts reaching over about 
the basal two-fifths of tail. Adults streaked longitudinally beneath. 
Young unknown. 
B. Gape of mouth nearly straight. Metatarsal scutelle in three series. Body 
plain beneath. 
Ampeline. Legs moderate. Nostrils elongated, linear, with the 
rontal feathers extending close to the edge and to anterior ex- 
tremity, concealing them ; these feathers short, velvety, and erect, 
with few bristles. Wings very long and acute; outer or Ist pri- 
"mary so much reduced as to be almost inappreciable; the 2d 
nearly the longest. Wing nearly twice the length of the short, 
narrow, even tail. Under coverts of tail reaching almost to its 
tip. Secondary quills with flat horny appendages at end of shaft 
like red sealing wax. Young birds streaked beneath as in Dulus. 
Adults plain. 
Ptilogonatinz. Legs moderate. Nostrils oval, with wide naked 
membrane above, and to some extent behind them; the frontal 
feathers not reaching to their border, and rather soft. Wings 
graduated, shorter than the somewhat broad, fan-shaped tail; the 
1st quill nearly half the 2d. Young birds without spots or streaks ; 
adults plain. fi 
Supramity DULINA. 
DULUS, VIEILLorT. 
Dulus, Viertu0t, Analyse, 1816, 42,no.131. (Type “Tangara esclave,” 
Borron = Janagra dominica, Linn.) 
Plumage compact. Wings moderately pointed, a little longer than the 
nearly even, slightly rounded tail. First quill not quite half the 2d, which 
about equals 6th; 3d and 4th longest. Tail feathers rather narrow. 
Bill shaped much like Jcteria; considerably decurved ; culmen glecurving 
from base, upper edge of lower mandible less so; commissure much arched ; 
mouth deeply cleft. Bill broad as well as high at base, compressed about 
the middle to the strongly notched tip; lower bill with slight broad notch. 
Tongue rather narrow, horny towards tip, and simply bifid. Nostrils large, 
circular, in anterior end of nasal groove; surrounded, except anteriorly, by 
membrane; the frontal feathers not directed forwards, and with few bristles, 
not reaching to posterior edge of nostrils. Rictal bristles short. 
Legs very stout ; tarsus scarcely as long as middle toe and claw: about seven 
well-marked scutelle anteriorly ; sides of tarsus normally of a single plate 
26 May, 1866. 
