532 BIRDS FROM NICARAGUA AND COSTA RICA RICHMOND. 



278. Sula leucogaster (Bodd.)- 



Very abiiiiclaiit along the coast, nesting on tlie varions keys wliich 

 there abound. No specimens were secured, but the identification is 

 supposed to be correct. 



Family FREGATID.E. 



279. Fregata aquila (Linn.). 



Very common along the coast, and not rare on Lake Nicaragua. 

 Occasionally seen on the Escondido, at a distance of 50 miles from its 

 moutli. The birds breed abundantly on the keys off the coast. 



Family PHALACEOCORACID^. 



280. Phalacrocorax sp.? 



A Cormorant was abundant on the lake, and numbers were seen on 

 the Rio Frio. Rarely noted on the Escondido. 



On the lake I one day saAV over a thousand, fishing. They nest on 

 the islands of tlie lake, where, Mr. Bowman told me, he had found as 

 high as five thousand in one breeding place. Such a i»lace was visited 

 by him during my stay at San Carlos in February, and he reported 

 finding eggs and young in all stages at the breeding grounds. 



Family ANHINGID.E. 

 281. Anhinga anhinga (Linn.). - 

 Abundant on the Rio Frio, and often seen on the Escondido. 



Family LABIDJE. 



Terns of several species were seen at Grey town and Bluefields, but 

 no specimens were secured. 



