744. 
ANATIDZ -- MERGINZ): MERGANSERS. T1T 
mediate secondaries white, inner secondaries and scapulars black and white. 9 - Bill red with 
dusky cnlmen, iris yellowish, feet chrome or orange with dusky webs, crest better developed than 
in f ; still flimsy, however long. Head and neck reddish-brown ; throat white; under parts 
less salmon-tinted. Black parts of ¢ ashy-gray; scapulars without white; white of wing 
restricted to secondaries and greater coverts, which are black at base; smaller coverts ashy. 
Length 23.50-27.00; extent 34.00 or more; wing 10.00-11.00; tail 5.00; bill 2.00 along 
culmen, 3.00 along gape; tarsus 1.75 ; middle toe and claw 2.75; 9 much smallerthan ¢, at 
the lesser or below the single dimensions here given. N. Am. bird said to differ in slighter and 
lower crest, and evident black bar in white of wing, concealed in European. N. Am. at large, 
common; U.S. in winter, and breeding from N. States northward. Nest on ground, down- 
lined; eggs 6-8, elliptical, buff-colored, 2.75 X 2.00. 
NA =, ; a7 
ae a Lin 
Kp as 
Fig. 499. — Merganser, ¢, } nat. size. (From Brehm.) 
M. serra/tor. (Lat. serrator, a sawyer. Fig. 500.) RED-BREASTED MERGANSER. Nostrils 
near base of bill. Frontal feathers extending obtusely on culmen, and not beyond those on 
sides of upper mandible; the loral sweeping forward convex beyond those on side of lower 
mandible. A long, thin, pointed occipital and nuchal crest in both sexes. Adult ¢: 
Head and neck all around splendid dark green. A white ring round neck. Under parts 
white, more or less salmon-tinged, the fore-breast brownish-red streaked with dusky, the 
sides finely waved with dusky. A white black-bordered patch of broad feathers in front of 
the wing. Fore-back, interscapulars, and long inner scapulars, black ; middle and lower back 
gray, waved with whitish and dusky. Surface of wing mostly white, including outer scap- 
ulars ; inner secondaries edged on outer web with black, and wing crossed by two black bars 
at bases and just beyond ends of greater coverts. Bill carmine-red, dusky along the top; 
eyes carmine; feet bright red. @: Bill and feet duller colored; head grayish-chestnut ; 
