189 
| MERGUS ALBELLUS. 
Mer. Mas.—Supra albus, genis et occipite atris ; capite cristato. 
Mer. Fem.—Subtus alba, genis et occipite rufis; capite vix 
~ eristato. 
WHITE SMEW. 
Male mer. above white, with the cheeks and occiput black; head 
crested. . 
Fem. mer. below white, with the cheeks and occiput red; the 
head slightly crested. 
IN. IN. 
ENE a ce cae wciees te UE LUNOR LOE eis av caciedses 3 
SEPRBLE Wedecicese ss sahinl tac 13 WAAUE TOE sisise ities 24 
MUP Paige cvesiceesaesies 14 OUP 18 a5 55 Saceanavewe oes 
Male: above and below white, with a large patch on each side of 
the head, and another one down the back of the neck, black; crest 
white ; on the upper part of the breast, on each side, a bar of black, 
not meeting in front; coverts, primaries, and secondaries black ; 
scapulars white, edged on their outer webs with black; tail, rump, 
and upper tail coverts grey ; bill and legs lead-coloured. 
- Fem.: throat, neck, belly, and abdomen white ; the breast, back, | 
tail, and upper tail coverts ash-coloured ; wings grey, with the outer. 
webs of the scapulars white. 
Young similar to the female. 
Mergus albellus......ccseeeees woe. Linn. Syst. 1. 209. 
Gmel. Syst. 1. 547. 
Lath. Ind. Orn. 2. 831. 
Steph. Sh. Zool. 12. 157. 
Wils. Am. Orn. 8. 186. 
: pth fig.-T. 
Mergus minutus vccresessreceseee Linn. Syst. 1. 209. 
~ Lath. Ind. Orn. 2. 832. 
Mergus Asiaticus ....ccccccceees Gmel. Syst. 1. 548. 
BLOEOOLUS cv ivs Panacs caves Briss. Orn. 6. 252. pl. 6. 
SM€W ...ece0ee iG astedhapeeruucasss Penn. Arct. Zool. 2. 559. 
Lath. Gen. Syn. 6. 428. 
FSUME MEP GONCET ‘sss vsi'cnscecease ess Penn, Arct. Zool, 2. Sup. 74. 
Le petit Harle ou la piette..... Buff. Ors. 8. 275. 
