170 
NEW SPECIES OF FULIGUL A. 
Description of a New Species of Fuligul a. 
By George C. Leib, M. D. 
Read January 7th, 1840. 
Fuligula grisea. 
This duck was procured in the market of Phila- 
delphia, on the 15th of December, 1839, but no in- 
formation concerning its history could be obtained, 
further, than that it was shot in the neighborhood of 
Great Egg Harbour, New Jersey. The stomach 
contained small, broken shells. 
Specific Characters . — Speculum and throat white; 
bill expanded and tumid ; teeth remarkably deve- 
loped ; plumage dark gray, inclining to fuscous. 
Female, uniform grayish-ash. 
Description . — Length of bill, above, one inch and 
seven-tenths ; breadth, eight-tenths ; length of lower 
mandible from rictus, two inches and three-tenths ; 
breadth, nine-tenths. Upper mandible black, with 
a large, pale, livid space at base, including the nos- 
trils, which are soft and patulous, open and oblong ; 
near the tip the edges are spread out and elongated 
by a membranous appendage, soft and extensible ; a 
slightly curved line or furrow is traced from the 
sides of the unguis, half-way to the base. Inferior 
edges of the lower mandible pale flesh color, the 
tip, and connecting membrane, black; teeth re- 
markably large and broad. The whole head and 
cheeks are dark grayish-fuscous ; a crescentic band 
