BIRDS FROM SIAM AND THE MALAY PENINSULA 203 



broader and deeper in coJor than in the two females mentioned. So 

 it may well be very old females have the tliroats slightly tinged with 

 scarlet or a few feathers of this color mixed in. 



The form ranges from the southern half of Tenasserim south 

 tlu'ough Peninsular Siam to the Malay States, and Sumatra. The 

 bird occurring on the Batu Islands, off the western coast of Sumatra, 

 has been separated as Chotorea mystacophanes arnpala; and that from 

 Borneo as C. m. humei. 



CHOTOREA CHRYSOPOGON LAETUS Robinson and Kloss 



Chotorhea chrysopogon laeius Robinson and Kloss, Journ. Federated Malay 

 States Mus., vol. 8, pt. 2, p. 141, 1918 (Bukit Tangga, Negri Sembilan). 



One male, Yala, Patani, January 31, 1931; one female, Kao Luang, 

 3,000 feet, Nakon Sritamarat, July 10, 1928; one male. Ban Hoi 

 Tah (Nok Koh Chang), Kao Luang, Nakon Sritamarat, July 10, 

 1928; one male, Sichol, Bandon, May 19, 1930. 



Dr. W. L. Abbott took one male and two females. Lay Song Hong, 

 Trang, September 29, November 5 and 22, 1896; one unsexed, Kao 

 Soi Dao, 1,000 feet, Trang, February 14, 1899, and one female. Rum- 

 pin River, Pahang, May 28, 1902. He describes the soft parts as: 

 Iris reddish brown; bill black, base of lower mandible leaden; feet 

 pale green, claws dark horn brown or leaden, tips black. 



The above series illustrates the range of this form fairly well. It 

 extends from the southern Federated Malay States north to the prov- 

 ince of Bandon in Peninsular Siam. 



Chotorea chrysopogon chrysopogon of Sumatra has lighter yellow 

 malar patches and C. c. chrysopsis of Borneo is somewhat smaller, 

 with bright-yellow tips to the feathers of the forehead and the blue of 

 the jugulum extending farther forward, and it is a somewhat brighter 

 green. 



CHOTOREA RAFFLESn MALAYENSIS Chasen 



Chotorhea rafflesii malayensis Chasen, Orn. Monatsb., vol. 43, p. 147, 1935 (Ubin 

 Island, near Singapore). 



Six males and two females, Bangnara, Patani, May 23, 1924, July 

 4-15, 1926; one male and one female, Tha Lo, Bandon, September 

 23 and 24, 1931; three males and three females, Kao Soi Dao, Trang, 

 January 4-23, 1934. 



Dr. W. L. Abbott collected three males and one female in Trang 

 (Prahmon, April 3, and Lay Song Hong, September 2, 3 and Novem- 

 ber 23, 1896); one male, Bok Pyin, Tenasserim, February 14, 1900; 

 and two males at the Rumpin River, Pahang, May 28 and June 22, 

 1902. He describes the soft parts as: Iris dark brown; bill black; 

 feet leaden, claws black. 



