692 SYSTEMATIC SYNOPSIS. —LAMELLIROSTBES— AN SERES. 



Fig. 479. — Head of Daflla, $ , iiat. size. (Ad nat. del. E. C.) 



709. A. o. fulvi'gula. (Lat. /mIi'ms, reddish ; grMZo, throat.) FLORroA Dusky DuCK. Similar; 



lighter-colored ; throat plain pale brownish ; hill olive, with black nail and base of commissure 



A local race, resident in Florida. 

 286. DA'FIIiA. (A non-sense word.) Pin-tail Ducks. Tail (in adult $) narrow, cuneate, 



when fully developed nearly as long as wing, the 2 central feathers loug-exserted, linear-acute : 



in 9 ^^^ young the tail merely 



tapering, with acute feathers ; tail- 

 feathers 16, including the long mid- 

 dle pair. Bill shorter than head, 



longer than tarsus, nearly parallel 



sided, widening a little to the end, 



the nail small, the narrow nostrUs 



high up in basal third of bill. 



Feathers of cheeks sweeping in 



strongly convex outline along side 



oi upper mandible, beyond those 



on side of lower mandible. Wing 



acute, the 1st and 2d primaries 



subequal and longest, rest rapidly 



graduated. Neck unusually long 



and slender, and form less ''stocky" than that of most ducks. Sexes and young very unlike 



in color, even to the wing-markings, as well as in shape of tail. Bill and feet dark. Under 



parts white or whitish. Speculum of $ framed in buflf, white, and black. 

 IflO. D. acu'ta, (Lat. acwto, acute, as the tail is. Figs. 479, 480.) Pin-tail Duck. Sprig-tail. 



Adult $ : Bill black, 

 with grayish - blue 

 edge of upper man- 

 dible ; feet grayish - 

 blue ; claws black ; 

 iris brown. Head and 

 neck above rich dark 

 brown, glossed with 

 green and purple ; 

 side of neck with a 

 long white stripe run- 

 ning up from the 

 white under parts ; 

 back of neck with a 

 black stripe passing 

 below into the gray 

 color of the back; 

 the lower fore-neck, 

 breast, and under 

 parts usually, white. 

 Fig. 480 - Pin-tail Duck, $ ^. (From Lewis. ) ^^^ gjj^g g^gly ^^^^^ 



with black, the crissum black, white-bordered. Fore back finely waved with narrow bars of 

 black and whiteor whitish; the scapulars and long tertiaries finnly striped lengthwise with 

 velvety-black and silvery-gray. Lesser wing-coverts plain gray ; greater tipped with reddish 

 buff, framing the speculum anteriorly ; this is of coppery- or purplish-\'iolet iridescence, framed 

 posteriorly with black sub-tips and white tips of the secondaries, internally with silvery and 



