40 BULLETIN 98, UNITED STATES NATIONAL MUSEUM. 



11. Hypoihymis azurea opisthocijanca Oberholser. — Anamba and 

 Tambelan Islands. 



12. Hypoihymis azurea gigantoptera Oberholser. — Natuna Islands. 



13. Hypoihymis azurea symmixta Stresemann. — Islands of Bali, 

 Lombok, Sumbawa, Flores, and Alor. 



14. Hypoihymis azurea ponera Oberholser.— Batu Islands, western 

 Sumatra. 



15. Hypoihymis azurea isocara Oberholser. — Banjak Islands, 

 western Sumatra. 



16. Hypoihymis azurea leucophala Oberholser. — Pagi Islands, west- 

 ern Sumatra. 



17. Hypoihymis azurea amelis Oberholser. — Nias Island. 



18. Hypoihymis azurea consobrina Richmond. — Simalur Island, 

 western Sumatra. 



19. Hypoihymds azurea richmondi Oberholser. — Engano Island, 

 western Sumatra. 



Family PYCNONOTIDAE. 



AEGITHINA VIRIDISSIMA THAPSINA, new subspecies. 



Subspecijic characters. — Similar to Aegithina viridissima viridissima, 

 from Sumatra, but much larger ; oil green of upper surface, in the male, 

 more yellowish; lower breast and abdomen paler, more yellowish. 



Description. — Type, adult male, Xo. 170951, U.S.N.M.; Pulo 

 Siantan, Anamba Islands, August 20, 1899; Dr. W. L. Abbott. 

 Entire upper surface, excepting the upper tail-coverts, oil green, the 

 rump somewhat yellowish; upper tail-coverts glossy black; lores 

 blackish; lengthened supra-orbital and suborbital spots rich lemon 

 yellow; tail black, slightly tipped with oil green; wing-quills blackish 

 clove brown above, the tertials and outer webs of primaries and sec- 

 ondaries brownish black, the primaries, except the outer two, mar- 

 gined basally with oil green, the secondaries edged almost throughout 

 with the same color, the tertials margined on outer webs with oil 

 green, where marked distally with a conspicuous yellowish white spot, 

 and on inner vanes broadly bordered with citron yellow; all the upper 

 wing-coverts glossy black, the median series broadly tipped with 

 white, the greater row more narrowly with yellowish white; inferior 

 surface of remiges grayish clove brown, broadly edged on basal por- 

 tion of inner webs with dull white; under wing-coverts inwardly white, 

 barely washed with canary yellow, exteriorly, including the edge of 

 wing, canary yellow; axillars canary yellow, basally somewhat whit- 

 ish; sides of head and neck, with chin, throat, and jugulum, oil green, 

 like the upper surface; sides of body, breast, and abdomen, yellowish 

 oil green, the middle portion, together with the crissum, canary yel- 

 low; flanks with a patch of elongated silky-white feathers; thighs 



