PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 171 



228. Fulix marila, (Linn.) 



Bather rare.— (Dresser, Ibis, 1866, 43.) 



229. Fulix affinis, (Eyton.) 



Decidedly more common than the last. — (Dresser, Ibis, 1866, 43. — 

 Fuligida a., Sennett, B. Eio Grande, 63.) 



230. Fulix collaris, (Donov.) 



A few specimens killed.— (Dresser, Ibis, 1866, 43.) 



231. Aythya americana, (Eyt.) 



Not uncommou.-(^%a a., Dresser, Ibis, 1866, 43.) 



232. Aythya vallisneria, (Wils.) 



Barer than the last species; but few specimens shot. — (JEthya v., 

 Dresser, Ibis, 1866, 43.) 



233. Bucephala albeola, (Linn.) 



Bather plentiful.— (Dresser, Ibis, 1866, 43.) 



234. Erismatura mbida, (Wils.) 

 Abundant. 



235. Lophodytes cucullatus, (Linn.) 



A few seen during winter. — (Dresser, Ibis, 1866, 44.) 



236. Pelecanus erythrorhynchus, (Gmel.) 



Bather common, and seen at all seasons. I was unable to find any 

 breeding places of this species, but they unquestionably nest near the 

 coast, and also at no great distance from Hidalgo. — (Dresser, Ibis, 

 1866, 45. — P. tracJiyrliynchus, Sennett, B. Bio Grande, 63.) 



237. Pelecanus fuscus, Linn. 



Common resident. Found breeding abundantly on Padre and neigh- 

 boring islands by Mr. Sennett in March, 1878. — (Dresser, Ibis, 1866, 

 45.— Sennett, B. Bio Grande, 64.) 



238. Plotus anhinga, Linn. 



Occasionally observed about Fort Brown, but appears to be more 

 abundant in the lagoons higher up the river. — (Dresser, Ibis, 1866, 45.) 



239. Graculus mexicanus, (Brandt.) 



Common resident. I did not find any nests, but think they are placed 

 in the dense growth of trees and thorny bushes that borders most of 

 the lagoons about here.— (Dresser, Ibis, 1866, 45.— Sennett, B. Bio 

 Grande, 64.) 



240. Larus argentatus, Gm. 



Xot rare along the coast in winter. One shot near Fort Brown on the 

 3d of March, 1877.— (Sennett, B. Bio Grande, 64.) 



