35° 
PLAce. 
16. 
SOLITARY 
D 
DEscRIPTION. 
17. 
VELVET 
D. 
DescriPTione 
DUC XK. 
upper parts of the body are fine blue; the under grey: about the 
neck is a beautiful white collar. 
Inhabits Chil, 
Anas monacha, Ind. Orn. ii. p. 847. 40.—Scop. Ann. i, N° $6. 
"THIS is larger than the Mallard: bill yellowifh, with a black 
tip: lore grey: plumage varied black and white: head and be- 
ginning of the breaft {potted with black: prime quills white ; tips 
variegated with brown: fpeculum violet green: tail pointed; the 
feathers white, marked with a brown {pot at the tip. 
Anas fufca, Ind. Ora. ti. p. 848. 44.—-Gunth. Nef. und Ey, t. 90. Egg.—Schre 
des Berl. Nat. iii. p. 374.t. 8. f. 1. 
Velvet Duck, Gen. Syn. vi. p. 482. 37.—Ld. Sup. p. 274.—Lin. Tranf.iv. p. 119. 
pl. 15. £. 3—7. the trachea. 
HIS bird being for the moft part black, excepting a white mark 
on the under eyelid, and a fpot of the fame on the wing, carries 
nothing interefting outwardly ; but on diffection, the windpipe of the 
male will be found curioufly conftruéted: juft below the larynx, is a 
bony cavity, of almoft an inch long, from this the trachea defcends 
for nearly two-thirds of its length, when it fwells out into a ftrong 
bony hollow, about the fize of a {mall walnut, flat on one fide ; and at 
the bottom, where the trachea divides, the parts again become bony, 
but not much enlarged ; at the under parts of this, the two bron- 
chiz take their rife: fome diverfity takes place in birds of vari- 
ous ages, but not enough to caufe any miftake in regard to the 
{pecies. 
