PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 171 



228. Fulix marila, (Linn.) 



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



229. Fulix affinis, (Eyton.) 



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

 Fuligula a., Sennktt, B. Eio Grande, 63.) 



230. FuIix coUaris, (Donov.) 



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



231. Aythya americana, (Eyt.) 



Not uuGonimou.—{^thya a., Dresser, Ibis, 1866, 43.) 



232. Aythya vallisneria, (Wils.) 



Barer than the last species; but few specimens shot. — {^thyav.^ 

 Dresser, Ibis, 1866, 43.) 



233. Bucephala albeola, (Linn.) 



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



234. Erismatura rubida, (Wils.) 

 Abundant. 



235. Lophodytes cucullatus, (Linn.) 



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



236. Pelecanus erythrorhynchus, (Gmel.) 



Eather 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. trachyrhynchus, Sennett, B. Eio 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. Eio 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. Eio 

 Grande, 64.) 



240. Larus argentatus, Gm. 



Not rare along the coast in winter. One shot near Fort Brown on the 

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



