458 AcTteen. 



and much less yellow on the tertiaries and secondaries ; the wing 

 spot formed by the yellow tips to the earlier primary greater 

 coverts is almost obsolete in the present species. It is a much 

 larger bird and has a far larger bill than 0. andamanemis which, 

 moreover, has scarcely any yellow at all on the secondaries or 

 tertiaries, and only the merest trace of a wing spot. 



Compared again with 0. macrourus from tke Nicobars, it is a 

 somewhat smaller bird, has a good deal smaller bill, and it agrees 

 with acrorliynchus (which Gray says is identical with cMnensis, 

 though Lord Walden {Ihis, 1 873, p. 306) as I think^ correctly, 

 makes them distinct) in having a considerable portion of the ex- 

 ternal tail feathers black, while macroitnis, in fine specimens, has 

 nearly the whole of both external lateral tail feathers on either 

 side bright yellow ; macrourus also has less yellow on the se- 

 condaries and tertiaries, scarcely any in fact ; acrorhynchm again 

 differs from both the Sumatran and Nicobar birds in having 

 a much broader occipital band, and apparently in entirely wanting 

 the wing spot. The Acheen bird has a much smaller wing-spot, 

 and has more black on the outer tail feathers than Broderipi, Bon. 



The following are dimensions taken in the flesh of four females 

 of the Sumatran bird : 



Length, 10 to 10-25; expanse, 17 to 17-25; wing, 5-25 to 6 ; 

 tail, from vent, 3*75 to 4-12; tarsus, 0*9 to 1; bill, from gape, 

 1'3 to 1-45 ; weight, 2*5 to 3 ozs. 



The legs and feet were plumbeous, the bill carneous ; the 

 irides, carmine. Mr. Davison remarks : 



" This oriole was tolerably abundant, but kept in the vicinity 

 of the villages, frequenting, by preference, the dense clumps of 

 bamboos. The note is very similar to that of .0. indicus, but 

 perhaps a trifle harsher." 



Oopsychus mindanensis, Gm. 



This species differs from our Indian saularis, first, in the amount 

 of white on the tail in both sexes, and secondly, in that the 

 female has the whole upper surface black and only slightly duller 

 than the male, instead of iron grey as in the common Indian 

 species ; the breast of the female is also a much darker grey than 

 in the Indian bird. As regards the tail in saularis, the whole of 

 the four external tail feathers on each side are either pure white, 

 or else have only a little dusky stripe on the inner web towards 

 the base of the innermost of the four feathers ; mindanensk on 



* My specimens of chineusis differ conspicuously from acrorhynchus, in the 

 smaller bill, and size generally, in the much narrower nape band, conspicuous wing 

 spot, and the great extent of the yellow ou the secondaries and tertiaries, which 

 even surpasses that iu indicus. 



