614 Messrs. Robinson and Kloss on Birds [Ibis, 



inner web of the fourth feather, and the other naale small 

 patches on both webs of the fourth feather. The female has 

 the third feather barred and patches on the outer webs of 

 the first and second. 



It is evident therefore tliat the Malay Peninsula and 

 Annam birds cannot in these characters be referred to 

 Dr. Hartert^s subspecies, which, in fact, is interpolated 

 between two areas of distribution of the older form, leading 

 one to the belief that the barring of the tail is a variable 

 character (possibly dependent on age) and of no taxonomic 

 importance. 



208. Oriolus indicus (Jerd.). 



Onstalet, p. 39 ; Robinson, Ibis, 1915, p. 759 ; Kloss, 

 Ibis, 1918, p. 225. 



1 S ad. Dabau, 650 ft., S. Annam. 18 March, 1918. 



" Iris crimson-brown, bill deep livid pink, feet plum- 

 beous." 



T. L. 265; W. 156 mm. 



A very brilliant adult. 



209. Oriolus tenuirostris Blyth. 



3 c? , 4 ? . Dran, 3000 ft., S. Annam. 29 March-18 May, 

 1918. 



1 ? . Arbre Broyc, 5400 ft., S. Annam*. 13 May, 1918. 



1 ? . Le Bosquet, 5000 ft., S. Annam. 7 May, 1918. 



"Iris crimson, bill fleshy pink, feet dark plumbeous.'' 



Males. T. L. 245, 235, 250; VV. 138, 144, 145 mm. 



Females. T. L. 248, 250, 247, 250, 230, 240 ; W. 146, 143, 

 145, 141, 138, 141 mm. 



This species can with difficulty be distinguished from the 

 preceding. It is perha[)S slightly smaller and has a narrower 

 black nape-band and a broader yellow spot on the primary 

 coverts. The males have the back strongly washed with 

 green, and the bird is altogether dingier than O. indicus. 

 Difterences in the amount of yellow on the tail-feathers are 

 quite inconstant and unreliable as differential characters. 

 Tlie bill is relatively longer and much narrower at the base 

 than in 0. indicus. 



