96 • BIRDS OF BRITISH GUIANA. 



bases to the feathers : under wing-coverts rufous ; quill-linino- 

 dark brown, with pale rufous edgings to the inner webs ; lower 

 aspect of tail rufous, rather paler than the upper surface. 



Total length 141 mm., exposed culmen 14, wing 63, tail 64, 

 tarsus 23. 



The bird from which the description is taken was collected ]>y 

 Mr. McConnell at Mount Roraima during his expedition in 

 October 189«. 



Adult female. Differs from the adult male in being rather 

 paler and inclining to smoke-brown on the under surface. 

 Wing 61 mm. 



There appears to be some doubt as to whether the species 

 S. hnmneicaudaUs Sclater, occurs in British Guiana, as when the 

 late Dr. Sclater wrote Vol. xv. of the 'Catalogue of Birds in 

 the British Museum ' there was but one specimen of that species 

 from Ecuador, and that is certainly not the same as the Guiana 

 bird. I have therefore described the hitter as a distinct sj)ecies. 



Breeding-season. Unknown. 



Ifest. Unrecorded. 



Eggs. Undescribed. 



Range confined to British Gniana. Mount Roraima (^McConnell 

 collection') ; Mount Roraima ( Wliitely) . 



Habits. Unrecorded. 



411. Synallaxis albigularis josephinse. 

 Josephine's White-throated Spln'e-tail. 



Synallaxis alhescens (nee Temm.) Sahdn, Ibis, 1885, p. 419 (Merume 



Mts., Koraima 3-300 ft.) ; Sclater, Cat. B. Brit. Mus. xv. p. 43, 



1890 (Meinime Mts., Koraima). 

 Synallaxis albigularis (nee Scl.) Bi-abom-ne & Chubb, B. S. Amer. i. 



p. 229, no. 2317, 1912. 

 Synallaxis albigularis josepliince Chubb, Bull. Brit. Orn. Club, xxxix. 



p. GO, Feb. 28, 1919. 



Adidt male. General colour above earth-brown including the 

 fore part of the head, hind-neck, entire back, primary and 

 secondary (jnills, and tail ; crown and upper wing-coverts chest- 

 nut; inner webs of greater up[)<'i- wing-coverts <lark l)r()wn ; 

 sides of the face^ sides of neck, Ijrea.st, sides of the l)ody, thighs, 

 and under tail-coverts dusky grey ; throat and middle of abdomen 

 white ; under wing-coverts pale buff ; quill-lining and lower 

 aspect of tail pale brown. 



