280 BIRDS OF BRITISH GUIANA. 



Cerchneis isaheUina Sliai-pe, Cat. B. Brit. Mu.«. i. p. 441, 1S74 T British 

 Guiana) ; Brabourne & Chubb, B. S. Amer. i. p. 73, no. 67S, 1912. 



Tinnuncidus isahellinus Salvin, Ibis. 18S6. p. 76 (Eoraima. 3500 ft.) ; 

 Quelch, Timehri (2) vi. p. 131, 1S92 (liabits). ^ 



Adult female. Back, scapulars, innermost secondaries, and 

 middle tail-feathers cinnamon-rufous, the last with a broad sub- 

 terminal black band and white tips, the outer pair of feathers 

 white with black bars ; the long scapulars and innermost second- 

 aries banded with black eubterminally ; top of head and upper 

 wintr-coverts slate-orrey, the latter marked with black ; primarv- 

 (|iiill3 blackish marked with white, the secondaries slate-crrev 

 marked with black and white ; sides of face, throat, under wing- 

 coverts, thighs, and under tail-coverts white; a black bar on the 

 fore-cheeks and another broader one on the hinder part of the 

 face; breast, abdomen, and sides of body isabelline-rufous ; 

 axillaries dusky brown barred with white. ''Bill horn-blue, 

 yellowish at base of both mandibles." 



Total length 255 mm., cuhnen (including the cere) 13, wing 184, 

 tail 124, tarsus 35, middle toe and claw 27. 



The female described was collected on the Rupununi Savannas 

 in December 1900. 



Adult male. Similar to the adult female but smaller, ^'ing 

 176 mm. 



Tiie male from which the description is taken was collected at 

 Mount Roraima. 



Young birds differ from the adults in being regularly barred 

 above and streaked below. 



Breeding-Reason . Unrecorded in British Guiana. 

 Sest. " Composed of twigs and built ou fairly high trees "" 

 (^Schomburnk). 



Eggs. " It lays three eggs " [Scliomhurgk'). 



Range in British Guiana. Mount Roraima, Upper Takutu 

 Mountains, Rupununi Savannas {McConnell collection'). 



Extralirnital Range. Venezuela, Margarita Island, Colombia 

 and Ecuador, East of the Andes. 



Habits. Schomburgk (Reis. Guian. iii. p. 734) states that he 

 found this bird very plentiful on the Savannas. Its favourite 

 place of outlook was the termite-hills, small trees, and bushes ; from 

 these it darts out for its prey, which consists of small birds, 

 insects, and amphibia. Like F.femoralis = Ralco fusco-cceridescens, 



