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PROCEEDINGS OF THE ACADEMY OF 



[April, 



and more bluish or purplish upper parts, especially wings and tail; 

 from cyanoptila by its small size and more greenish upper surface, 

 including wings and tail. So far as known it does not occur outside 

 the Mergui Archipelago, where it has been taken on only Bentinck 

 Island; but it undoubtedly is to be found on other islands of the 

 group, while there would seem to be no improbability of its occasional 

 if not regular occvirrence on the adjacent mainland. 

 Measurements are subjoined: 



CoUocalia linchi isonota su-bsp. nov. 



Chars, suhsp. — Resembling CoUocalia linchi elachyptera, but aver- 

 aging slightly larger; color of upper parts decidedly duller and some- 

 what less bluish or purplish. 



Geographical distribution. — Philippine Islands. 



Description. — ^Type, adult male, No. 192,610, U. S. N. M.; Irisan, 

 Benguet, Luzon, Philippine Islands, June 3, 1903; R. C. McGregor 

 and A. Celestino. Upper sm-face dull, dark, metallic green, the 

 crown and upper tail-coverts with a slight bluish tinge; tail of the 

 same color, scarcely more bluish; wings fuscous, the exposed surface 

 of the quills dull greenish blue with but little metallic sheen, the supe- 

 rior coverts like the back; lores dark brown, the feathers with pure 

 white bases; sides of head and neck, chin, throat, breast, sides, and 

 flanks brownish slate color, the throat and breast feathers with margins 

 of pale grayish or whitish, those of lower breast, of sides and flanks 

 so broadly bordered with white that the ground color is largely over- 

 laid; median portion of abdomen white, with very fine dusky shaft 

 lines; longest lower tail-coverts dull, dark, metallic green, slightly or 

 not at all margined with whitish, the shorter ones brownish with 

 ample white edges, or nearly all white with a dusky shaft-stripe; lining 

 of wing dark brown, slightly glossed with metallic greenish. 



This race differs from CoUocalia linchi linchi in its smaller size and 



« Type, 



