102 Rivna DUCKS. the feathers with internal rings or loops and sometimes borders of pale ochm— Coons butl'y ; speeulum as in the preeeding: breast and belly oehraeeous butl'y, mottled with dusky grayish brown. l.., 'JIJ'UU; “I, 11'00; Tan, 1'75; 15., 2'25. [range-Korthern parts of the northern hemisphere; in America breeds in the interior from Indiana and Iowa, and on the Atlantic coast rarely south of Labrador. northward to the arctic regions; winters from southern Kansas and Delaware southward to Central America and the island of Granada. Washington, common \Y. Y. Long Island, uncommon T. \'., Sept. t0 Apl. Sing,r Sing, rare T. \'., Uetu Meh. Jig/g5, six to ten, pale greenish or bluish white. 2'30 x 170. The Mallard is far more common in the interior than on the coasts. Its loud. sonorous quack is not distinguishable from that of its domes- ticated descendants. 133. Anas Obscura. (inn-l. Bram; Di'rtK; Drsxn‘ Dt'cx. Ad.— Top of the head rich i'useous. slightly streaked with pale bufi'y; sides of the head and throat pale butl'y7 thieklv streaked with blackish ; rest of under parts t‘useous brown, the feathers all bordered by oehraeeous—buil‘; back slightly darker and narrowly margined with hutl'y; speculum rieli purple, bordered by blaek. 1.“ 22'0“; \\'.. 111m; Tait. 1'75; 11., 2'20. L’ezmzrl‘m—i.“ways to be distinguished from the Mallard by the lack of white in the wing. Rang/(AiNorth Ameriea: breeds from Illinois and New Jersey to Hudson Bay and Labrador; winters southward to the Greater Antilles. Washington. common \\'i V. Long Island. abundant W. \'.. Sept. to May; a few breed. Sing Sing. tolerably common 3. l{.. Meh. 1‘» to Nov. 13. Cam- bridge. Very eommon T. V. Meh. and Apl: late Aug. to Now; a few breed. Liv/(rs. eight to twelve, pale greenish or bluish whitc‘ 0r creamy bud‘, 2‘43 x 1’75. This speeies resembles the Mallard in general habits, and the voices of the two are indistinguishal>1e. The Rlaek Duck. however. is cori- moner near the seacoasts. and when molested will sometimes pass the day at sea, returning at night to feed in the marshes and ponds near the shore. 134. Anas fulvigula. [fix/(Hr. Frnmna Drcn. AIL—Top of hard streaked with black and hufi‘y; sides of the head and entire throat bqu, with”! sire/11's .' rest of under parts rir-h butl'y oehraeeous. widely streak id with black: back black. the feathers broadly margined and sometimes intv-r— nally striped with oehraeeous-laifl': speeulum rieh purple bordered by blatk ; bill olivewellow. its nail black. 1“. 20'00: \\'..10'50; Tart. 1'05: 3.. 9'03. /‘.’enH(rl‘x.~Easily distinguished from .1. (lbw-um by the absence of slreaks on the throat. li’mn/u—Florida and (lult‘eoast to Louisiana [ff/(Is, eight to ten. pale dull hurt" or pale grayish bufl', 2-15 x 1'61 (RiduV-l- This is a common resident species in Florida. Its habits and vow are practieally the same as those of the Black Duck.