THE BIRDS OF SOUTH-WEST AND PENINSULAR SIAM. 157 



cT ad. Mamok, Pakchan, Peninsular Siam, 28 February 1919 

 (No. 4306). 



d ad., 2 ad. Tapli, Pakchan, Peninsular Siam, 6-8 March 

 1919 (Nos. 4445, 4506). 



3 6,1 9. Koh Lak, S. W. Siam, 2-7 April 1919 (Nos. 4928, 

 4970, 5117, 5137). 



3 o' , 1 2 , 1 unsexed. Hat Sanuk, near Koh Lak, S. W. Siam 

 12-17 April 1919 (Nos. 5262, 5270, 5314, 5343, 5370). 



" Iris red, orbital skin red ; bill green ; feet plumbeous." 



Total lengthen, 587, 555, 608, 555, 555, 530, 568,618; 9, 

 468, 591, 503; wing 6, 153, 150, 162, 159, 157. 155, 160, 169; 9, 

 162, 156, 158 ; tail c^, 390, 380, 420, 395, 373, 375, 410, 435 ; 2, 290, 

 411, 340; tarsus d, 38, 36, 36, 41, 37, 35, 36, 36; 9, 37, 37, 37 ; bill 

 from gape d, 39, 41, 41, 38, 40, 37, 37, 38 ; 9, 37, 37, 38, mm. 



Hartert's Rhopodytes tristis hainaniis of Hainan (Nov. Zool. 

 xvii, 1910, p. 218 ) does not differ in size of wing from Blyth's earlier 

 described but overlooked form from Tenasserim, and unless there 

 exist differential characters hitherto unnoted, that name will have to 

 rank as a synonym of R. t. longicaudatus. 



252. Rhopodytes diardi (Less.). 



Melia-t diardi, Lesson, Traite d'Ornith., 1831, p. 132 (Sumatra). 

 Rhojyodytes diardi, A., p. 163 (Mergui to Malewooxi) ; D., p. 75 



(Patani) ; E., p. 103 (Patani) ; F., p. 42 (Traug) ; L., p. 99 



(Ghirbi). 



253. Rhopodytes sumatranus (Raffles). 



Cuculus sumatranus, Raffles, Trans. Linn. Soc. xiii, 1822, p. 287 



(Sumatra). 

 RJwpodytes sumatranus. A., p. 164 (Meigui to Malewoon) ; B.. p. 56 



(Malay Peninsula) ; J., p. 158 (Trang) ; L., p. 29, (Ghirbi) ; 



Salvad., Ann. Mus. Civ. Gen. (2) vii, 1889, p. 433 (Malewoon). 

 Poliococcyx sumatranus, 0. ii, p. 123 (S. Tenassetim), 



!• Gryldenstolpe, Kungl. Sv. Vet. Akad. Handl. M. Baker, Joiirn. N. H. Soc. Siam, iii, 1919. 



56, No. 2, 1916. (first part). 



J. Eobinson, Journ. F. M. S. Mus. vii, 1917. Baker, Journ. N. H. Soc. Siam, iii, 1919. 



K. Kloss, Ibis, 1918. (second part). 



Li Kobiuson and Kloss, .Tourn. X. H. Soc. Siam, IWI. I. Baker, .Journ. X. H. Soc. Siam, iv, 1920. 



iii. 1919. (third part). 



VOL. V, NO. 2, 1922. 



