THE BIRDS OF SOUTHWEST AND PENINSULAR SIAM. 233 



Thus suhmoniliger is the palest, malayana more richly 

 coloured : and the true solitaria of Sumatra most saturate of all — 

 notwithstanding contrary conclusions we have come to previously, 

 based on smaller series. 



321. Muscitrea grisola i risola (Blyth). 



Tephrodornis grisola, Blyth, Journ. Asiat. Soc. Bengal xiii, 1843, 



p. 180 (Calcutta). 

 Muscitrea yrisola, A., p. 206 (Kolan Id., Mergui Arch.); C. i, p. 257 



(Tenasserim) ; F., p. 54 (Laiigkawi Ids.); H., p. 148 (Koh Samui); 



K., p. 191 (Koh Lak). 

 Muscitrea grisola grisola, I., p. 78 (Koh Lak); J., p. 169 (Laiigkawi 



and Butang Ids.); L., p. 104 (Pulau Panjang). 



4 cr, 2 $. Pulau Mohea, W. Coast, Peninsular Siam, 1-2 Feb- 

 ruary 1919 (Nos. 3914-16, 3922-4). 



6. Pangnga River, Peninsular Siam, 11 February 1919 

 (No. 3948). 



4 J, 5$. Koh Lak, S. W. Siam, 1, 2 April 1919 (Nos. 4889- 

 91, 4926, 4933-7). 



6. tiat Sanuk, near Koh Lak, S. W. Siam, 19 April 1919 

 (No. 5398). 



" Iris chocolate or hazel, but generally dark ; bill black ; feet 

 slate, greyish black, or lavender ". 



Total length J, 165, 165, 171, 170, -, - 158,160, 154, 163 

 9,169, 172, 161, 157, 155, 152, 159 ; wing d, 89,88,89,88,-, 84,86 

 83, 84, 87 ; ? , 85, 87, 80, 82, 83, 86 ; tail 6 , 75, 73, 78, 76, - , 70, 72, 73 

 68,70; $,74,77,70,70,67,70,70; tarsus c?, 21.5, 22,22, 21,-, 20 

 20,20.5,20,20; 9,21,23,19,20,21.5, 20, 19.5; bill from gape d 

 21.5, 22, 20.5, 21, - , 19, 18.5, 18.5, 20, 17 ; 9, 20, 20.5, 18, 18, 18, 19 

 20 mm. 



Much has been written on this little understood bird, the 

 latest review being by Stresemann (Nov. Zool. xx, 1913, p. 355). 

 The species was originally described by Blyth from a specimen shot 

 in Calcutta, though recent collectors do not seen to have obtained it 

 from east of the head of the Bay of Bengal. Later Blyth redescribed 



I. Gyldenstolpe, Kungl. Sv. A''et. Akad. Handl. WI. Baker, Journ. N. H. Soc. Siam, iii, 1919. 



5(i, No. 2, 1916. (first part). 



J. Kobinson, Joum. F. il. S. Mus. vii, 1917 Baker, Journ. X. II. Soc. Siam. iii; 1919. 



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



U. Robinson and Kloss, Journ. X.H. Soc. Siam, M.I. Baker, Journ. N. H. Soc. Siam, iv, 1920. 



iii, 1919. (third part). 



VOL. V, NO. S, 1921. 



