372 BULLETIN 17 2, UNITED STATES NATIONAL MUSEUM 



This form can be distinguished from cocJiinchinensis by having the 

 pileum more extensively yellow, with little or no greenish wash. 

 It ranges from Sumatra through the Malay States north to about 

 latitude 6° 30' N. and barely reaches Peninsular Siam in Patani. 



CHLOROPSIS SONNERATI ZOSTEROPS Vigors 



Chloropsis zoster ops Vigors, in Raffles's Memoir of Sir Thomas Stamford RafHes, 

 p. 674, 1830 (Sumatra). 



One male, Bangnara, Patani, May 17, 1924; two males, Tha Lo, 

 Bandon, September 21, 1931; one rriale and two females, Kao Soi 

 Dao, Trang, December 28, 1933, January 6, 1934. Dr. Smith gives 

 the soft parts as: Iris dark brown; bill black; legs Ught blue. 



Dr. W. L. Abbott collected the following: Six males and three 

 females, Trang (Prahmon, March 5 and 9, 1896; Lay Song Hong, 

 November 28, 1896; Trang, February 5 and 8, 1897, January 1 and 

 3, 1899; Kao Soi Dao, 1,000 feet, February 14, 1899); two females, 

 the Dindings, Straits of Malacca, April 13 and 16, 1900; one female, 

 Victoria Point, Tenasserim, March 31, 1900. He gives the soft parts 

 as: Iris dark brown; bill black (male); black, lower mandible whitish 

 at base (female) ; feet leaden. 



The series of seven adult males from the Malay Peninsula are 

 slightly less yellowish green above and below than four males from 

 Sumatra and one from Banka. Four males from Borneo are more 

 yellowish green above and below even than the Sumatran series. 

 The difference between the Sumatran and the mainland bird is 

 slight. 



Seven males from Peninsular Siam measure: Wing, 99-103 (101); 

 culmen, 20-22.5 (21.3 mm). Four males from Sumatra and one 

 from Banka: Wing, 97.5-102 (99.3); culmen, 20.5-22 (21.2 mm). 

 Four males from Borneo: Wing, 100-102 (101); culmen, 21-22 

 (21.4 mm). 



This form ranges from Banka and Sumatra north through the 

 Malay States and Peninsular Siam to southern Tenasserim. 



Robinson ^^ records it from Pulo Telibun, Trang, and Pulo Lontar; 

 Robinson and Kloss ^^ from Kao Ram, 1,200 feet, Nakon Sritamarat, 

 and later from Tung Pran, Takuatung, Koh Pra Tung, Takuapa, 

 and Namchuk, Pakchan.^^ 



C. s. sonnerati Jardine and Selby ^* is confined to Java and C. s. 

 viriditectus Hartert to Borneo. 



" Journ. Federated Malay States Mus., vol. 7, p. 171, 1917. 

 « Journ. Federated Malay States Mus., vol. 11, p. CI, 1923. 

 »' Journ. Nat. HLst. Soc. Piam, vol. 5, p. 261, 1924. 



" Illustrations of Ornithology, .ser. 1, vol. 1, pt. 1, p. [19], 1826 (India et insulis); vol. 2, text to pi. 100, 

 183n (Jiiva). 



