118 Mr. C. H. B. Grant on Birds collected in Argentina, 



Quite one of the commonest woodland birds of the Ajo 

 district, where it breeds, placing a cup-shaped nest of lichen 

 and moss lined with feathers in any convenient situation in 

 the fork of a tree or bush, nnder a bridge, or down the side 

 of a well : three eggs make the complete clutch. 



86. Cyanotis rubrigaster. 



Cyanotis azarce Scl. Cat. B. xiv. p. 110 ; Arg. Orn. i. p. 142. 



Cyanotis rubrigaster Sharpe, Hand-1. iii. p. 113. 



a,b. c? ? ad. Los Ynglases, Ajo. Oct. 3, 1908. 



c, d. S young. „ „ Mar. 13, 1909. 



e,f. ? young. „ ,, Feb. 16, 1910. 



In the female the superciliary stripe is more green than in 

 the male. 



The young differs from the adult as follows : — 



*' Above, head dull black tipped with buff ; superciliaries 

 buff in front of eye, white behind ; lores and ear-coverts 

 black, the latter tipped with buffy ; back and rump green 

 tipped with buff ; wings as in the adult, except that the edges 

 of the lesser coverts are buff and the white is tinged with 

 buffy ; below, throat and neck buffy white, rest creamy buff 

 with only the faintest indication of the breast-band ; tail 

 as in the adult." 



Both the March young birds are moulting into the adult 

 stage. 



A fairly common bird in the Ajc5 district and frequenting 

 the great swamps and reed beds, where it nests. 



I have not myself taken the eggs, but there are two 

 clutches in the collection of Miss Runnacles, taken at Ajo, 

 the nest being as described by Hudson. 



87. Elainea albiceps. 



Elainea albiceps Scl. Cat. B. xiv. p. 141 ; Arg. Orn. i. 

 p. 145 ; Berlepsch, Orn is, xiv. p. 403. 



a. ? ad. Los Ynglases, Ajo. Jan. 18, 1909. 



Irides hazel ; bill dusky brown, base of lower mandible 

 fleshy, gape orange ; legs and toes dark sooty brown. 



In rather worn plumage, the only one observed iu the 

 Ajo district. 



