BIRDS FROM SIAM AND THE MALAY PENINSULA 225 



The three specimens from Tenasserim have the white more restricted 

 on the upper parts, wings, and tails than do the specimens from farther 

 north, but they are nearer the northern form than to the form occur- 

 ring in the southern Malay Peninsula. 



The form ranges apparently from eastern Bengal to the whole of 

 Burma, Siam proper, Cambodia, Laos, southern Annam, Tenasserim, 

 and probably northern Peninsular Siam. 



Robinson and Kloss *^ record specimens from Tung Pran, Taku- 

 atung, and Namchuk, Pakchan Estuary, that probably belong here. 

 Robinson *^ records it from Klong Yai, southeastern Siam. It has 

 been taken by various collectors in the northern part of the country 

 and has been recorded from Doi Sutep as high as 5,500 feet. Just 

 how far south it goes in Peninsular Siam is not known; probably not 

 south of latitude 10° N. 



YDNGIPICUS NANUS AURITUS (Eyton) 



Tripsurus auritus Eyton, Ann. Mag. Nat. Hist., ser. 1, vol. 16, p. 229, 1845 



(Malacca). 

 Jyngipicus canicapillus suffusus Robinson and Kloss, Bull. Brit. Orn. Club, 



vol. 40, p. 14, 1919 (Kuala Lumpur, Selangor). 



One male, Bangnara, Patani, July 7, 1926; one male, Bukit, Patani, 

 January 27, 1931; one female, Patalung, July 9, 1929. 



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

 females, Trang (Prahmon, February 21-March 22, 1896; Lay Song 

 Hong, October 9, 1896; Naklua, March 3, 1899); one male, Tanjong 

 Dungun, Trengganu, September 20, 1900; one male, Tanjong Silantei, 

 east coast of Johore, July 27, 1901. He describes the soft parts as: 

 Iris reddish brown, brownish red or pink in the males; dark brown 

 in the females; bill black, horny blue at base below; feet dull greenish, 

 dull leaden, greenish plumbeous, olive plumbeous, or leaden blue. 



In the above series the white barring or spotting averages narrower 

 and more restricted above and on the tail than the series from northern 

 and eastern Siam; on the whole the streaking below is a little heavier. 

 The majority of northern birds have white markings or spots on 

 the middle tail feathers while in the southern Peninsula birds the 

 middle tail feathers are without white spots or they are much re- 

 stricted. There seems little difl'erence in size between northern and 

 Peninsular birds, except the bill in the latter averages large. 



Four males from northern Siam and one from Tenasserim measure: 

 Wing, 80-86 (82); tail, 35-39 (35.9); culmen, 14-16 (15) mm. Nino 

 males from Peninsular Siam and the Malay States (Johore to Trang): 

 Wing, 80-86 (82.9); tail, 29-36.5 (33.4); culmen, 15-17.5 (16) mm. 



<i Journ. Nat. Hist. Soc. Siam, vol. 5, p. 176, 1923. 

 « Ibis, 1915, p. 740. 



