400 
Scientific Proceedings, Royal Dublin Society. 
ANATID A——continued. 
America. 
Chaulelasmus streperus.* Gray. 
North America generally. 
Cassin, and Lawrence.) 
The Antilles. (Sclater and Salvin.) 
(Baird, 
Spatula clypeata.* (L.) Boie. 
Mr. Dresser gives its habitat as Alaska, 
Saskatchewan, and Hudson’s Bay, 
Mackenzie River, Great Bear Lake, 
and most of the United States, Texas. 
(Audubon), Bogota. (Gould.) 
Nicaragua. (Buonoparte.) Cuba, Ber- 
muda,andJamaica. (Dr. Gundlach.) 
Also Central America, Mexico, and 
Trinidad. (Sclater and Salvin.) 
Fuligula collaris.* Don. 
Duck.) 
The whole of North America. 
Cassin, and Lawrence.) 
Mexico and Guatemala. 
Salvin.) 
i 
(Ring-necked 
(Baird, 
(Sclater and 
Fuligula marila.* (1) 
The whole of North America. (Baird, 
Cassin, and Lawrence.) 
Four have occurred in Greenland. 
(Newton.) 
Mexico. (Dresser.) 
Fuligula affinis* (Little black-headed 
Duck.) 
The whole of North America; exceed- 
ingly similar to #’. marila, but smaller. 
(Baird, Cassin, and Lawrence.) 
A pair were shot in Greenland in June. 
(Newton. ) 
Mexico, Guatemala, Costarica, and 
Veragua. (Sclater and Salvin.) 
Fuligula americana.* Bp. (Red-head.) 
North America; closely allied to F. 
ferina of Europe, but has a narrower 
bill. 
Mexico and the Antilles. 
Salvin.) 
(Sclater and 
Fuligula vallisneria.* Bp. (Canvas-back 
Duck.) 
The whole of North America. Has a 
narrower bill than /’. americana, and 
may further be distinguished from it 
by the brown on the head, and less 
black in the waved lines. (Baird, 
Cassin, and Lawrence.) 
Guatemala and the Antilles. (Sclater 
and Salyin.) 
Europe. 
Chaulelasmus streperus.* Gray.(Gadwall.) 
Northern Europe, wintering in Southern 
Europe and North Africa. Siberia, 
Asia Minor. Common throughout 
India. Rare in Japan and China, 
(Dresser. ) 
Spatula clypeata.* (L.) Boie. (Shoveller.) 
According to Mr. Dresser, it is found 
throughout Europe, British Isles, 
North Africa. Common in Egypt, 
Siberia, Palestine. Common in China, 
and Japan, Erzeroom. (Dickson and 
Ross.) Cashmere. (Leith Adams.) 
Throughout India in winter, Australia. 
(Gould.) 
Fuligula collaris. 
It has several times occurred in Europe. 
(Degland and Gerbe, Vol. II., p. 536.) 
Fuligula marila.* (L.) Steph. (Scaup 
Duck.) 
Breeds in North of Europe and Asia, 
migrating south in winter, as far as 
North Africa, Northern India, and 
China. (Dresser. ) 
Fuligula ferina.* Linn. (Pochard.) 
Throughout Europe, southward into 
North Africa, and eastward as far as 
China 
So closely allied to F. americana that 
the males are only just distinguishable; 
upper parts darker, vermiculated on a 
grayish instead ofon a white ground ; 
females indistinguishable. (Dresser. 
