114 SEA DUCKS.

A more northern species than the preceding. which it resembles in habits.

153. Charitonetta albeolau [I'M/m. Bt‘rr‘i.£111~:,\n; BUTTER—BALL; Sunni been. .lvl, 5 .——».\ hroad white band passes around the hack of the head from eye to eye; rest of the head. upper neck. and throat beautifully glossed with purple, greenish. and bluish; lower neek all around, breast, belly, wing—em‘erts. speeulum. and outer seapulars white; hack hluek; upper tail— eoverts and tail asliy—grayisll. .111, 9 .—;\ white patch on either side of the head, throat, and entire upper parts fuseous—hrown; speculum, breast, and belly white. L.. 14-75; “1.4%“; Tan, 1-115; B.,1‘05.

11’!!!1!/6.—-N01‘tl1 Ameriea: hreeds from Iowa and Maine northward: win— ters from near the southern limit of its breedingr range to the West Indies and Mexico.

Washington. eonnuon W. V, Sept. to Apl. 1.011;,r Island. emnmon T. V. and W. \'.. ()et. 1 t0 Apl. Sing Sing. tolerably common T. V. Cambridge, common in Oct. and Nov.

Jest, in a stump or hollow tree. fig/(Is, six to twelve, dull light buff, 1'08 x 1‘46 tRidgw.).

This small Duck has won deserved distinction through its powers as a. diver. Like the Grehes. it; "' dives at the flash,” though this well- worn expression has lost half its meaning since flintloeks and percus- sion caps have heemne things of the past. The Buffiehead feeds to some extent on small fish, which it pursues and catches under water.

154. Clangula hyemalis ( [ix/hf». 0m .Qoraw ; 01.1) \VIrE: Sm'rH Sot'ruERLY. .44]. a in u'iz/ler.~Si(les of the front of the head washed with grayish brown; sides of the haek of the head and sides of the upper nerk lilaek. more or less margined with oehraeemls, rest of the head. neck 11] around. upper hack. seapulars. and lower belly white: hack. breast. and upper holly black; tail pointed. the middle feathers very long and narrow; hand across the end of the hill yellowish orange. All. 6 in summer. Sides of the front of the head white: crest, of the head. neek. throat. hreast. md upper helly hlaek; haek and seapulars hlaek. the latter margined with dark butfy oehraeeous: lower holly white: tail and hill as in the preceding. 9 in ’lUI‘Nll‘K7UPpOY‘ parts hlaek or fusemts: seapulars and upper haek more or less margined with grayish or grayish hrown: sides of the head and melt and sometimes the haek of the neek white. or whitish: hreast grayish; helly white: tail pointed. hut without the long feathers of the male: under wirg~ eorerts dark. .11]. 9 in summer: Generally similar to the ahore. hut; the Sides of the head and throat mostly hlaekish. and the feathers of the upitor parts more nrless mareiued with oehraeeous. l,.. a . 91‘0“. (s . 111-00; W., 8'50; T.. 5 , 900, q, m; 13.. 1-07..

Banzai-lumr’l‘he male Old Squaw is too distinet to he (-onf‘used with my other species. its long itlll‘i‘t‘tltllt'l's heine its most striking character; :he female bears some resemhlanee to the female of the llarlequin Duck. but ms the belly pure white instead of grayish dusky.