154 NILS GYLDENSTOLPE, ZOOLOGICAL RESULTS OF THE SWEDISH ZOOLOGICAL EXPEDITIONS TO SIAM. 



Sex 



Locality 



Date 



Length 



Wing 



Tail 



Culmen 









mm. 



mm. 



mm. 



mm. 



ef 



Meh Cha Di 



- 2 /s 1914 



245 



142 



88 



15 



ef 



Pak Koh 



4 A 1914 



247 



149 



98 



15 



ef 



Bång Hue Pong 



8 /r, 1914 



255 



14<i 



95 



15 



ef 



Pak Koli 



ss /a 1914 



230 



141 



80 



15,:( 



ef juv. 



Meh Cha Di 



"/« 1914 



212 



13G 



70 



14 



9 



Koh Lak 



3 "/ii 1914 



230 



134 



83 



14 



9 



Koon Tan 



"Is 1914 



249 



144 



85 



14,5 



9 



Koh Lak 



30 /n 1914 



235 



140 



84 



14 



o 



Pak Koh 



3 /i 1914 



275 



146 



94 



15,5 



Irides: reddish yellow. Bill: yellowish white. Orbital skin: green. Legs: red. 



This species was exceedingly common in Northern and Central Siarn and it even 

 occurred in the Siamese Malaya, where, however O. bicincta domvilli Blyth. was the 

 most common species among the Green Pigeons. 



The Thick-billed Green Pigeon was most often met with in small parties of abont 

 6 to 8 birds but sometimes and especially when the youngs were out very large flocks 

 were found feeding on the fruit-bearing trees. 



341. Osmotreron pompadora phayrei. Blyth. — The Ashy-headed Green Pigeon. 



Osmotreron phayrei: Gyldenstolpe 1 p. 65; Gyldenstolpe II; Barton p. 107; Gairdner p. 151. 

 Osmotreron pompadora phayrei: Gyldenstolpe III p. 234. 



<? Pak Koh u /s 1914. L = 230 mm.; W = 145 mm.; T = 91 mm.; C = 15 mm. — * Pak Koh 

 G /i 1914. L = 246 mm.; W = 153 mm.; T = 97 mm.; C = 13 mm. — $ Koon Tan 9 /r, 1914. L = 236 

 mm.; W = 155 mm.; T = 99 mm.; C = 16 mm. — Irides: påle crimson J\ yellow $. Bill: plumbeous. 

 Legs: purplish red. 



The Ashy-headed Green Pigeon is one of the most common Green Pigeons in the 

 North. In the Siamese Malaya it was ne ver obtained but here the allied O. bicincta dom- 

 villi Blyth. was common. 



Generally observed in small flocks, more seldom in pairs. 



342. Osmotreron bicincta domvilli. Blyth. — The Orange-breasted Green Pigeon. 



Osmotreron bicincta: Barton p. 107; Gairdner p. 39; Robinson & Kloss p. 674; Gairdner p. 151. 



Treron bicincta: Gould p. 151. 



Osmotreron bicincta äomvilii: Robinson III p. 723. 



$ Koh Lak 22 /n 1914. L = 277 mm.; W = 150 mm.; T = 90 mm.; C = 15 mm. — J Koh Lak 

 u /u 1914. L = 259 mm.; W = 161 mm.; T - 109 mm.; C = 15 mm. — J* Koh Lak Via 1914. L= 270 

 mm.; W = 156 min.; T = 105 mm.; C = 17 mm. — J Koh Lak n /i2 1914. L = 255 mm.; W = 154 mm.; 

 T = 100 mm.; C = 16 mm. — $ Koh Lak n /i2 1914. L = 239 mm.; W = 148 mm.; T — 91 mm.; C = 

 16 mm. — Irides: yellowish brown ($), orange (^). Bill: whitish grey. Legs: coral $; pink J 1 . 



This beautiful Pigeon was only obtained at the neighbourhood of Koh Lak. In 

 the Northern parts of the country it seems to be very rare and I never obtained a single 



