200 BIRDS COLLECTED ON THE RIVER UCAYALI. [Mar. 2", 



241. Platalea agaja, Linn. 

 Lower Ucayali. 



Fam. Rallidje. 



242. Aramides, sp.? 

 Hab. Lower Ucayali. 



243. Corethrura, sp. ? 

 Hab. Sarayacu. 



244. Parra jacana, Linn. 

 Hab. Nauta. 



Fam. PalamedeidjE. 



245. Palamadea cornuta, Linn. 

 Hab. Upper Ucayali. 



Fam. Heliornitiiid.e. 

 24G. Heliornis fulica. 

 Hab. Upper Ucayali. 



Order 6. ANSERES. 

 Fam. Anatid^e. 



247. Chenalopex jubatus (Spix). 

 Hab. Lower Ucayali. 



248. Dendrocygna atjtumnalis (Linn.). 



Hab. Ucayali. 



The egg of this bird transmitted by Mr. Bavtlett is of a pure 

 white. We are not aware that the egg of any other member of the 

 Anatidee is of this colour. The texture is glossy. 



249. Dendrocygna viduata (Linn.). 

 Hab. Lower Ucayali. 



250. Cairina moschata (Linn.). 

 Hab. Upper Ucayali. 



Fam. Larid.e. 



251. Sterna superciliaris, Vieill. ; Coues, Ibis, 1864, p. 390. 



Hab. Ucayali. 



The egg of this Tern is similar to that of the well-known £. mi- 

 nuta, and of about the same dimensions. 



252. Thalasseus magnirostris, Spix. 



Hab. Lower Ucayali. 



Eggs of this Tern are pale yellowish-brown ground, blotched all 



