56 ZOOLOGY OF THE VOYAGE OF THE BEAGLE. 



Genus.— AGRIORNIS. Gould. 



Tyrannus, Eyd. 8f Gerv. 

 Pepoaza, D'Orh. Sf Lafr. 



Rostrum longitudine capitis, rectum, forte, compressum, abrupt^ deflexum, emargi- 

 natiim ; tomiis rectis iiitegris; narihus basalibits, lateralibiis, rotnndis, patulis; 

 rictu pilis rigidiusculis obsesso. Alee mediocres, remige prima longd, tertid quartdqtie 

 cequalibus, longissimis. Cauda mediocris, quadrata. Tarsi longi, fortes, sqnamis 

 crassis annulati ; digito iingueque postico mediano breviore, lateralibus cequalibus, 

 liber is. 



Mr. Gould observes that the members of this genus are remarkable for their 

 robust form and for their strength and magnitude of their bills ; and their habits 

 strictly accord with their structure, as they are fierce and courageous. 



The species are closely allied to those of the preceding genus.* 



1. Agriornis gutturahs. Gould. 



Tyrannus gutturalis, Ei/d. ^- Gerv. Voyage de la Fav. Ois. dans Mag. de Zool. 1836. pi. II. 

 Pepoaza gutturalis, D'Orh. Sf Lafr. Mag. de Zool. 1837. p. di- 



My specimens were obtained near Valparaiso in Chile. I saw it as far 

 north as the valley of Copiap6. I was assured by the inhabitants that it is a very 

 fierce bird, and that it will attack and kill the young of other birds. 



2. Agriornis striatus. Gould. 



A. Fwm. intensh olivaceo-brunnea ; alis caudc'ique fuscis, utriusque phanis marginibus 

 apiceque pallidh brunneis ; rectricum externarum pogoniii externa alba; gutture 

 facieque lateribus albis, his nigrostriatis ;pectore hypochondriisqiie olivaceo-brunneis ; 

 ventre crissoque fiavescentibus. 



Long. tot. 10 unc. ; ala>, 4^; cauda\ 4^; tarsi, l-fW ; rostri, 1^. 



Head, and all the upper surface dark olive brown ; wings and tail dark brown, 

 each feather margined and tipped with pale brown, and the outer web of the 

 external tail-feather, white ; throat, and sides of the face, white, striated with 



* Perhaps to this genus belong Mascicapa thanmophiloides and cinerea, figured by Spix, in his Aves, 

 pi. 2e. f. 1 and 2. G. R. Gray. 



