158 Journal of the F.M.S. Museums. [Vol. VII, 



a. 1 i Koh Muk (Pulau Muntia) Trang, S. W. 



Siam, 5th January, 191 7. [No. 3847.] 

 b-c. 3 ? Pasir Raja, Pulau Lontar, S. W. Siam, 



12th January, 1917. [Nos. 3892, 3898.] 

 " Iris carmine, bill and feet black." 



Male. TL-, 481 : W. 201, 203, T. 248, 240; B, 45, 48; 

 TS. 51, 52. 



Female. TL. 524 ; W. 205 ; T. 284 ; B. 45 ; TS. 50. 



These specimens differ from the southern C. s. bubntus, 

 Horsf. in the characters previously assigned viz. slightly 

 shorter wing, markedly shorter but much broader tail, and the 

 purer, less ochraceous chestnut tint of the wings and scapulars. 

 The two races of course grade into each other but :i bird from 

 Lenggong in Upper Perak decidedly belongs to the southern 

 form. 



54. Rhopodytes sumatrani's (Raffles*. 

 Shelley, torn. cit. p. 391. 



a-h. 3 ¥ Lem Pia, N. Side Telibun Straits, 

 Trang, S. W. Siam, January 2nd, 191 7. 

 [Nos. 3826, 7.] 

 " Iris pearl, orbits orange red, fading posteriorly into 

 yellow bill sea green, feet, greenish slate." 



Climbing about in the characteristic awkward manner in 

 a very thorny tree in an open plain. 



The species is here approaching the northern limit of its 

 range. The Museum also possesses n male from Krong mon, 

 interior of Trang, shot on 17th February, 1910 which has 

 been omitted in the list given b}' Mr. Kloss and myself 

 (Ibis, 1911, p. ) 



55. Coccystes coromandus (Linn.). 



Shelley, torn. cit. p. 214; Robinson and Kloss, p. 39; 

 Gyldemtolpe, p. 101. 



a. ? ad. Burau, N. W. Langkawi. 12th Decem- 

 ber 1916. No. 3621. 

 b-d. 3 ad. Telok Wau, Terutau. i8th-28th 



December 1916. Nos. 3660, 3760. 3781. 

 e. ? ad. Pulau Telibun, Trang. S. W. Siam. 1st 

 January 1917. No. 3805. 

 •' Iris hazel, bill black, feet slate." 

 Male. 3S3; W. 15S; T. 230; B. 35: TS. 25. 

 Female, TI 374, 388; W. 158, 162; T. 227, 231; B. a, 34. 

 TS. 27. 24. 



Our series in the Museum shows no confirmation of state- 

 ments by Shelley and Legge that there is a sexual difference in 

 size in this species but we are very delicient in females, nor 

 apparently is there any difference in the colour of the sexes 

 when specimens in a similar condition of plumage are 



