188 Ti'BiNIflD^. 



shape and slightly glossy. They are pale green, densely mottled, 

 especially at the broad end, with deep reddish brown and lavender. 

 They measure "SS by '6. 



3. Bogota ( Tristram Coll.). Crowley Bequest. 



Genus PLUVICOLA, Swains. 



Pluvicola albiventris {Spix). 



(Plate IV. fig. 3.) 



Fluvicola albiventris, 8d. 8f Huds. Argent. Orn. i. p. 121 (1888) ; Scl. 

 Cat. Birds B. M. xiv. p. 36 (1888) ; Nehrh. Kat. Eiersamml. 

 p. 137 (1899) ; von Ihering, Rev. Mus. JPaulista, iv. p. 224 (1900) j 

 Sharpe, Rand-l. iii. p. 95 (1901). 



The egg of the "White-bellied Tyrant-bird in the Collection is of 

 a regular oval shape, slightly glossy and white, blotched, almost 

 entirely round the broad end, with umber-brown. It measures '73 

 by -56. 



1. Argentine Republic. Crowley Bequest. 



Genus AKUNDINICOLA, oHOrl. 



Arundinicola leucocephala {Linn.). 



Arundinicola leucocephala, Scl. §• Huds. Argent. Orn. i. p. 122 (1888) ; 

 Sol. Cat. Birdi B. M. xiv. p. 37 (1888) ; Nehrk. Kat. Eiersamml. 

 p. 137 (1899) ; von Ihering, Bev. Mus. Paulista, iv. p. 224 (1900) ; 

 Sharpe, Hand-l. iii. p. 95 (1901). 



The eggs of the White-headed Tyrant-bird in the Collection are 

 white, of a narrow oval shape, and slightly glossy. They measure 

 •8 by -55. 



2. IguapS, Brazil, 24th Oct. Crowley Bequest. 



Genus ALECTRUE.US, Vieill. 



Alectrurus risorius ( Vieill.). 



Alectrurus guira-yetapa, Gibson, Ibis, 1885, p. 279. 



Alectrurus risorius, Scl. Sr Suds. Argent. Orn. i. p. 123 (1888) ; Scl. Cat. 

 Birds B. M. xiv. p. 39 (1888; ; Holland, Ibis, 1893, p. 485 ; von 

 Ihering, Rev. Mus. Paulista, iv. p. 225 (1900) ; Sharpe, Hand-l. iii. 

 p. 96 (1901). 



The eggs of the Racket-tailed Tyrant-bird are of a regular oval 

 shape, slightly glossy, and of a plain white colour. Four examples 

 measure respectively: -86 by -ei ; -87 by •67; "85 by -67 ; '88 

 by -65. 



4. Argentine Republic, Nov. A. H. Holland, Esq. [C.]. 



