10 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 60 



Type.— Adult male, No. 180934, U. S. N. M. ; Telok Bluku, Nias 

 Island, March 3, 19x35 ; Dr. W. L. Abbott. 



AEGITHINA VIRIDISSIMA NESIOTICA, new subspecies 



Much like Aegithina viridissima viridissima from Sumatra, but 

 somewhat larger, especially the bill ; and with the green of lower 

 surface less yellowish, particularly on hinder portion. Wing (of 

 type), 62 mm. ; tail, 45 ; exposed culmen, 15 ; tarsus, 19. 



Type.— Adult male, No. 179989, U. S. N. M. ; Tana Bala Island, 

 Batu Islands, February 5, 1903 ; Dr. W. L. Abbott. 



MICROTARSUS MELANOCEPHALOS 1 CHRYSOPHORUS, new subspecies 

 Similar to Microtarsus melanocephalos melanocephalos, from Su- 

 matra, but yellowish of rump and posterior lower parts more golden. 

 Type.— Adult male, No. 179998, U. S. N. M.; South Pagi Island, 

 November 15, 1902; Dr. W. L. Abbott. 



MICROTARSUS MELANOCEPHALOS HYPEREMNUS, new subspecies 



Resembling Microtarsus melanocephalos melanocephalos, but lower 

 parts much darker ; upper surface slightly darker ; and bill much 

 stouter. 



Type. — Adult male, No. 179324, U. S. N. M. ; Simalur Island, 

 November 22, 1901 ; Dr. W. L. Abbott. 



PYCNONOTUS ERYTHROPTHALMOS 2 CYANOCHRUS, new subspecies 



Similar to Pycnonotns erythropthalmos erythropthalmos (Hume), 

 from Tenasserim, but smaller ; upper and lower parts much darker. 

 Resembling Pycnonotns erythropthalmos salvadorii Sharpe, from 

 Borneo, but upper surface darker, less rufescent; lower parts less 

 brownish or buffy (more grayish or yellowish), and somewhat darker. 



Type.— Adult male, No. 181 127, U. S. N. M. ; Rupat Strait, 

 eastern Sumatra, February 2"j, 1906; Dr. \Y. L. Abbott. 



PYCNONOTUS ERYTHROPTHALMOS ISUS, new subspecies 



Similar to Pycnonotns erythropthahnos erythropthalmos, but 

 smaller; pileum less grayish, more brownish olive like the back. 



1 Lanitts melanocephalos Gmelin, Syst. Nat., Vol. 1, pt. 1, 1788, p. 309 ("in- 

 sulis Sandwich" — errore!). We designate Sumatra as the type-locality. 



2 Ixos erythropthalmos Hume, Stray Feathers, Vol. 6, 1878, p. 314 ( Pakchan, 

 Tenasserim). This is the oldest tenable name for the species called Pycnonotns 

 piisillns by Salvadori (cf. Richmond, Proc. U. S. Nat. Mus., Vol. 26, 1903, 

 P- 507). 



