SYNALLAXIS. 95 



The descriptions of the adult male and female are based on 

 specimens in the British Museum collected on ]\Iount Roraima by 

 H. Whitely at an altitude of 5000 to 6000 ft. in August and 

 September, 1883. 



Immature. Crown of head, wings, upper tail-coverts, and tail 

 chestnut, inner webs of the bastard-wing and primary-coverts 

 dark brown, as are also those of the primary and secondary quills, 

 which are edged with pale rufous; hind-neck, mantle, and back 

 rufous-brown ; base of forehead, sides of the face, breast, and 

 abdomen dusky brown, the shafts of the feathers on the ear- 

 coverts rather paler and somcAvhat contrasting ; throat inclining 

 to whitish ; under tail-coverts rufous-brown ; under wing-coverts 

 rufous ; quills brown below with rufous inner edgings ; lower 

 aspect of tail similar to that above. 



Total length 137 mm., exposed culmen 13, wing 61, tail 65, 

 tarsus 22. 



The immature bird described Avas collected by Mr. McC/onnell 

 at Mount Iloraima in October 1898. 



Breeding-season. Unknown in British Guiana. 



Sest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Mount Roraima {McConnell collection); 

 Mount Roraima ( W liitely). 



Extralimital Range. Surinam (Penard), Cayenne {Caba)iis). 



Habits. Unrecorded in British Guiana. 



410. Synallaxis macconnelli. 

 McConnell's Spine-tail. 



Synallaxis hnoineicaiida (nee Scl.) Salvin, ll)is, 1885, p. 419 (Koraima, 

 3500 to 5000 ft.) ; Sclater, Cat. B. lirit. Mus. xv. p. 41 (part), ISIK). 



Synallaxig hruiincicaudalis Brabourne & Chubb, B. S. Amer. i. p. 2l.'3, 

 no. 2311, 1912. 



Synallaxis macconnelli Chubb, Bull. Brit. Orn. Club, xxxix. p. 78, Ajiril 

 1919. 



Adult male. General colour above including the entire l)ack 

 dull brown, becoming tingetl with rufous on the tail ; upper wiug- 

 coverts and outiu" aspect of wing clicstnut; inner w(.'l)S of |)rimary 

 and secondary quills brown with ])ale rufous edgings ; crown of 

 head and hind-nock chestnut ; sides of face and under surface 

 of body dusky brown ; tliroat silvery grey, witli d;iik liiowu 



