u 



BIRDS OF BlilTISH GUIANA. 



the Avino-.=, scapulars, and back ; Ijead black barred wit!) chestnut ; 

 base o£ forehead, chin, and cheeks chestnut ; a cinnamon-coloured 

 patch behind the eye ; lower throat more or less grey like the 

 mantle; breast, sides of body, and under tail-coverts chestnut- 

 biown marked with white^ or buffy-white, and black, becoming 

 ])aler and more ochraceous on the middle of the abdomen. "Bill 

 bluish black ; feet and toes bluish lead-colour ; iris hazel ; bare 

 space round the eye vermilion .'' 



Total length 255 mm., culmen 20, wing 148, tail 58, tarsus 43, 

 middle toe and claw 42. 



Odoiiiophcrits f/iti(uu iiisis. 

 Fig. 8. — To show the form of the bill. 



There appears to be considerable variation of colour in this 

 species, some being almost uniform ochraceous on the breast and 

 abdomen. 



The specimen described was obtained on the Bonasika River. 



Male and female similar in colour of plumage, but the female 

 rather smaller in size. Wing 13G mm. 



Youny in down. Upper surface dark chestnut ; throat golden 

 yellow ; remainder of the underparts white tinged with chestnut. 



Immature. Head dark rufous brown with pale shaft-lines ; 

 mantle grey vermiculated with brown and streaked with white ; 

 scapulars black, brown, and grey with irregular white shaft-lines ; 

 w^injis and tail much the snme as in the adult but the colours not 

 so strongly pronounced ; lower back grey, the feathers of the 

 rump pale rufous brown with a dark central spot ; upper tail- 

 coverts j)ale rufous ; ear-coverts dark rufous brown ; sides of face 



