452 Messrs. Robinson and Kloss on Birds [Ibis, 



Males. T. L. 213, 220, 216, 217, 220; W. 108, 111, 115, 

 111, 108 mm. 



Females. T. L. 218, 220, 218, 215; W. Ill, 112, 111, 

 112 mm. 



These birds are darker throughout than the specimens 

 from south-west Siam recorded as Volvocivora polioptera 

 (Kloss, Ibis, 1918, p. 194). They have grey abdomens and 

 less grey on the wings, while the under tail-coverts are either 

 grey or greyish white with white tips. It is probable that 

 they represent V. saturata Swinh., of Hainan, of which we 

 have no examples with which to compare them. 



All the females are banded below, but two of them show 

 signs of becoming grey all over. 



103. Pericrocotus speciosus fraterciilus Swinh. 

 Fericrocotus elegans Oustalet, p. 46. 



1 S ■ Trang Bom, Cochin China. 31 May, 1918. 



6 (?, 3 ? , 1 ? imm. Dabau, 650ft., S. Annam. 13-26 

 March, 1918. 



3 (^ , 3 ? . Dran, 3000ft., S. Annam. 30 March-18 May, 

 1918. 



" Iris, bill, and feet black." 



Males. T. L. 190, 194, 197, 200, 197, 205, 202, 205, 198, 

 200; W. 93, 93, 95, 92, 93, 95, 95, 93, 95, 94 ; T. 97, 94, 

 95, 91, 92, 98, 93, 95, 96, 94 mm. 



Females, T. L. 195, 200, 200, 190 (imm.), 210, 205, 205; 

 W. 88, 95, 93, 91, 94, 92, 94; T. 87, 91, 95, 94, 96, 94, 

 98 mm. 



This series shows a tendency to intergrade with P. speciosus 

 speciosus in which both webs of the central tail-feathers are 

 black, and also with P. xanthogaster flammifer in which the 

 first three, not the first two primaries only, are spotted with 

 scarlet on the outer web. 



104. Pericrocotus brevirostris Hume. 

 Pericrocottcs brevirostris Oustalet, p. 48. 



1 c?. Dran. 3000 ft., S. Annam. 9 May, 1918. 



7 S ,5 5,1 ? imm. Dalat, 5000 ft. S. Annam. 6 April- 

 5 May, 1918. 



