CATALOGUE OF VERTEBRATES. 615 



than the ' broad-bill ' or ' red-neck,' being taken on the Delaware 

 regularly about Bordentown." 



A. marila, var. nearctica, Stejn. {Fulix, Sund.) American Scaup 

 Duck. [Broad-bill.] Blue Bill. Raft Duck. Big Scaup Duck. 



Culmen as long as outer toe, with claw; bill wider (1 inch) at 

 end than at base (4- inch) (Sub-genus Fuligula) ; speculum white, 

 tipped with black. Male, bill, in life, grayish blue, with black 

 nail ; head, neck and chest black ; wing coverts grizzled with 

 grayish white. At end of breeding season more like female, but 

 richer colors. Female white at base of bill, rest of head and 

 neck snuff brown ; belly white, graduating into the decided 

 brown of sides ; upper parts brownish dusky. Length, 20 inches. 



"Abundant. Arrives along the sea-board about the 15th of 



October. Flies in large flocks, and is one of the most common 



species. Are occasionally met with on the Delaware as high up 



as Trenton." 



A. afifinis, Eyt. [Fulix, Sund.) Lesser Scaup Duck. Pond Broad-bill. 



Similar to preceding, but smaller, with flanks vermiculated 

 with blackish, and black of head of male glossed with purplish 

 instead of green. Length, 16 inches; bill nearly 1 inch wide. 



"Arrives about the 1st of October, and frequents small creeks 

 rather than the bay, and is more frequently met with inland than 

 the preceding. Seldom seen in summer." 

 A. collaris, Donov. [Fulix, Sund.) Ring-necked Duck. Red-neck. 



Speculum bluish gray. Male black, with violet gloss on head, 

 a chestnut collar, and with white spot on chin ; bill transversely 

 banded ; female no collar ; upper parts brown, shading into 

 white of throat, chest and belly. Length, 18 inches. 



"Arrives in October. Goes in small flocks. Is much more 

 abundant during some seasons than others. Is very scarce gen- 

 erally in the spring. Occasionally seen inland, keeping on the 

 rivers. Associates but little with other ducks." 



GLAUCIONBTTA, Stejn. 



G. clangula, var. americana, Bonap. {Clangula, Flem., Bueephala — Ab- 

 bott's Catalogue.) American Golden-eye. Garret. Whistler. 



3Iale, head and upper neck greenish black, with white spot 

 on lores ; white wing patch uninterrupted by black bars ; lower 



