692 



SYSTEM A TIG SYNOPSIS. — LAMELLIBOSTRES — AN SERES. 



709. A. o. fuU'i'gula. (Lat. /((tows, reddish; (/i/in, throat.) Florida Dosky Duck. Similar; 

 ligliter- colored; tliroat plain pale brownish; bill olive, with black nail and base of commissure. 

 A. local race, resident in Florida. 



285. DA'FILA, (A non-sense word.) PiN-TAiL DuCKS. Tail (in adult $) nan'ow, cuneate, 

 when fully developed nearly as long as wing, the 3 central feathers loug-exserted, linear-acute : 

 in 9 fiiJ'^ 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 nan'ow nostrils 

 high up in basal third of bill. 

 Feathers of cheeks sweeping in 

 strongly convex outhne along side 

 of 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 ^'''- *"• " ^ead of Dafila, ? , ..at. size. (Ad nat. del. E. C.) 



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 wliite or M'hitish. Speculum of $ framed in buff, white, and black. 



710. D. acu'ta. (Lat. acMto, acute, as the taU is. Figs. 479, 480.) Pin-tail DuCK. Speig-tail. 



Adult $ : Bill black, 



with 

 edge 

 dible ; 

 blue ; 



grayish - bine 

 of upper man- 

 feet grayish- 

 claws black ; 



iris brown. Head and 

 neck above rich dark 

 brown, glossed witli 

 green and purple ; 

 side of neck with a 

 long white strijic 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, 

 the sides finely waved 



with black, the crissum black, white-bordered. Fore back finely waved vnth narrow bars i^f 

 blaclc and white or whitish ; the scapulars and long tertiaries firmly striped lengthwise with 

 velvety-black and silvery-gray. Lesser wing-coverts plain gray ; greater tiji^ied with reddish- 

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

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



Fig. 480 — Pin-tail Duck, ? ,f. (From Lewis. ) 



