86 BIRDS or BRITISH GUIANA. 



Genus GRALLARICULA Scl. 

 Grallaricula Sclater, P. Z. S. 1885, p. 283. Type G. flavirostHs Scl. 



Fig. 39. — Grallaricula Jlavirostris. 



This genus is characterized by its small size, short and narrow 

 "bill, the strongly pronounced rictal V)ristles, short tail, and slender 

 feet. The depth of the bill is about half the length of the exposed 

 culmen. The wing is rounded, the third, fourth, fifth, and sixth 

 primaries longest and subequal, the second about equal to the 

 eighth. The tail is short and nearly square at the tip, and only 

 slightly longer than the tarsus. Coloration : male and female 

 similar. 



403. Grallaricula nana kukenamensis. 



KuKENAM Ant-Thrush. 



Grallaricula nana (nee Lafr.) Salvin, Ibis, 1885, p. 430 (Kukenam, 

 5000 £t.) ; Sclater, Cat. B. Brit. Mus. xv. p. 327, 1890 (Kukenam). 



Grallaricula nana kukenamensis Chubb, Bull. Brit. Ornitb. Club, xxxviii. 

 p. 86, 1918. 



Adult female. Differs from an adult female of G. nana nana 

 (Lafiv) from Bogota in being paler and inclining to ash-grey on 

 the head and nape ; the back, wings, and tail paler and ochreous 

 brown instead of chocolate-brown, the feathers round the eye 

 ferruginous instead of black, throat and abdomen pale ferruginous 

 instead of deep ferruginous (or "intense," as Lafresnaye expressed 

 it), the thighs pale ferruginous instead of dusky^ and in its 

 smaller size. 



Total length 103 mm., exposed culmen 13, wing 62, tail 28, 

 tarsus 23. 



This species is not represented in the McConnell collection, and 

 the description is taken from the typo in the British Museum, 

 which was collected by the late Henry Whitely in the Kukenam 

 Mountains, at an altitude of 5000 feet, on August 31, 1883 — 

 Salvin-Godman collection. ' 



