NO. 1803. HYPOTHYMIS AND CYANONYMPHA—OBERHOLSER. 



607 



axiilars more grayish and more extensively blue; and the upper parts, 

 particularly the pileum, are rather less purplish. The colors of the 

 female are the same as in H. a. leucopMla. 



This new form is apparently confined to the Banjak Islands. 

 Birds from Pulo Tuanku and Pulo Bangkaru are identical in size 

 and coloration. 



Measurements of specimens of Hypothymis azurea isocara examined. 



a Measured In the flesh by the collector. 



6 Type. 



HYPOTHYMIS AZUREA LEUCOPHILA, new subspecies. 



Chars, subsp. — Similar to Hypotliymis azurea ponera, but tail 

 decidedly shorter; pileum of male darker, more purplish blue; back 

 averaging slightly more purplish; the pileum thus less contrasted 

 with back; axiilars and middle of abdomen more purely white — less 

 grayish — and with less wash of blue ; crissum usually pure white. 



Description.— Type, adult male. No. 179913, U.S.N.M.; North 

 Pagi Island, western Sumatra, January 8, 1903; Dr. W. L. Abbott. 

 Upper surface, throat, and breast rather hght cyanine blue, the 

 pileum somewhat lighter; a narrow frontal band at the base of the 

 bill, a tiny chin spot, a crescentic occipital patch, and a slightly cres- 

 centic baron jugulum velvet black; wings and tail slate black, the 

 wing-quills and rectrices broadly edged with marine blue, the wing- 

 coverts with the color of the back; posterior under surface white, 

 purely so on the crissum and middle of abdomen, washed with blue 

 on sides, flanks, and upper abdomen; exterior under wing-coverts 

 cyanine blue, the rest slate gray, mixed with white; axiilars white, 

 very slightly washed mth blue exteriorly; thighs slate gray, much 

 mixed with blue, bill and eyelids cobalt blue in life; feet plumbeous 

 blue. 



Measurements. — Four males: Wing, 69-73 (average, 71); tail, 67-69 

 (average, 68.1); exposed culmen, 10-11.5 (average, 10.8); tarsus, 

 15.5-17 (average, 16) mm. One female: Wing, 67.5; tail, 68; exposed 

 culmen, 11.5; tarsus, 15 mm. 



Type-locality. — North Pagi Island, western Sumatra. 



Geographical distribution. — Pagi Islands, western Sumatra. 



The male of the present race differs from Hypothymis azurea 

 prophata in having the upper surface more nearly uniform — the back 



