CRYPTURUS. 13 



primary-coverts, and quills black with buff mottlinas and bars on 

 tlie outer webs of the secondaries ; crown of head black becoming 

 paler on the sides of the face ; hind-neck, sides of neck, fore-neck, 

 and breast chestnut, somewhat paler on the last ; chin white ; 

 sides of the body similar to the upper surface ; abdomen whitish ; 

 the feathers on the lower flanks tipped with white ; under tail- 

 coverts chestnut followed by black and tipped with sandy buff ; 

 marginal under wing-coverts blackish, the inner ones, greater 

 series, and quill-lining silvery grey. 



Total length 245 mm., culnien 32, wing 170, tail 47, tarsus 43, 

 middle toe and claw 30. 



The description is that of an example obtained on the Makauria 

 River in August 1910. 



The male and female are similar in the colour of the plumage, 

 but the female is slightly the larger. 



Yoana. Head and neck covered with down ; forehead, a line 

 over the eye, which widens out on the sides of the hinder crown, 

 sides of face, and throat golden buff ; chin paler and inclining to 

 dull white ; a narrow line of black from the base of the bill to the 

 eye ; crown of head dark chestnut as also a streak from behind 

 the eye extending backward through the ear-coverts ; a narrow 

 line of black feathers, tipped with huffy white, running from tlio 

 middle of the crown to the nape ; back rufous brown, some of 

 tlie feathers margined with white ; upper wing-coverts grey with 

 a wash of rufous, edged with white, and a narrow submarginal 

 Idack cross-bar ; secondaries dark brown, or grey with rufous on 

 the outer webs ; bastard-wing, primary-coverts, and quills dark 

 brown, some of the inner primaries inclining to rufous on the 

 outer webs near the tip ; under surface rufous brown, the feathers 

 narrowly barred with black and edged with white at the tips. 



This example was obtained on the Abary River in September 

 1907. 



Another young bird, which still retains a small portion of down 

 on the licad and hind-neck, has the njjpor surface chestnut-brown 

 with niinut(^ white spots at the tips of the feathers ; upper wing- 

 coverts paler than the batdc and edged with white at tlu^ tips ; the 

 outer webs of tlie secondary <juills rufous ; fore-neck and breast 

 pale rufous barred with black and tijtped with white, somewhat 

 darker on the sides of the breast and sides of body; paler on 

 the abdomen where the feathers have no idack bars, some of 



