rODAGEK. — LUROCALIS. 361 



Ibis, 1SS5, p. 438 ; Hartert, Cat. B. Brit. Mus. xvi. p. 619, 1892 

 (Aunai) ; Braboui'ne & Chubb, B. S. Amer. i. p. 99, no. 934, 

 1912. 



Adult female. General colour of tlie upper ."^nrface blackish 

 l)rown mottled and freckled with buffy-Avhite, these markings 

 becoming coar.ser on the tail-feathers and secondary-quills ; 

 primary-qnills for the most part blackish with white at the base 

 on the inner webs and buff at the base on the outer Avebs ; chin, 

 sides of throat, and breast dark brown barred with butf or buffy- 

 Avhite ; a triangular patch of white on iiie throat; abdomen, 

 under tail-coverts, axillaries, and inner under wing-coverts white 

 narrowly barred with pale brown ; outer under wing-coverts 

 narrowly barred Avith broAvn and buff. 



Total length 248 mm., culmen 12, wing 212, tail 00, tarsus 2G. 



Adult male. Differs from the adult female in having the lateral 

 rectrices tipped with white and in the absence of the buff on the 

 outer webs at the liase of the primary-quills. Wing 214 mm. 



The birds from wh'ch the descriptions are taken were collected 

 at the Takutu Mountains. 



Breedinr/season. Unknown in British Guiana. 



JS'est. Unrecorded in British Guiana. 



K<j(is. Undescribed from British Guiana. 



i'ancfe in Britisli Guiana. Upper Takutu Mountains {McConnell 

 collection) ; Annai (WJiitel//). 



Ej:tralimital Range. Tobago, Trinidad, and the remaining 

 portion of South America. 



Habits. Unrecorded in British Guiana. 



Genus LUROCALIS Ca^H. 



Liirocalis Cassin, Proc. Acad. Nat. Sei. Philiulclpliia, 1851, p. 189. 

 Type X. semitorquatus (Gmel.). 



This genus is distinguished by the narrower 1)111 (width at base 

 25 mm.), the very .short or almost entire absence of rictal l)ristb's, 

 the shorter tail, and in having tlio scapulars and innermost 

 secondaries for the most part white in strong contrast to the 

 colour of the back. 



