1S8 tyranxid.t;, 



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

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

 They measure '85 by -6. 



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



Genus FLU VI COL A, Sicaiiis. 



Fluvicola albiventris (/S^t.r). 



(Plate IV. fig. 3.) 



riuvicola albiventris, Sd. ^- IIwls. Argent. Orn. i. p. 121 (1888) ; Scl. 

 Cat. Birds B. M. xiv. p. 36 (1888) ; A'ekrk. Kat. Eiersaimnl. 

 p. 137 (1899); von Ihering, liev. Mas. Faidista, iv. p. 224 (1900) ; 

 Sharpe, Hand-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, Avith umber-brown. It measures "73 

 by -50. 



1. Argentine Republic. Crowley Bequest. 



Genus ARUNDINICOLA, d'Orh. 



Aruiidinicola leucocephala {Linn.). 



Arundinicola leucocephala, Scl. ^' Huds. Argent. Orn. i. p. 122 (1888) ; 

 Scl. Cat. Birds B. M. xiv. p. 37 (1888) ; Nelirk. Kat. Eiersamml. 

 p. 137 (1899) ; von Ihering, liev. Mas. 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. Iguape, Brazil, 24th Oct. Crowley Bequest. 



Genus ALECTRURUS, Vieill. 



Alectrurus risorius ( VieilL). 



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



Alectrurus risorius, Scl. i$- Huds. Argent. Orn. i. p. 123 (1888) ; Scl. Cat. 

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

 Ihering, Bev. Mus. Faidista, 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 respectivel)- : 'SG by '61 ; '87 by '67 ; '85 by '67 ; '88 

 by '^f). 



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



