208 Journal of the F.M.S. Museums.  |Vou. X, 
Dicrurus macrocercus thai subsp. nov. 
Like D. m. macrocercus of Peninsular India but with 
the wing shorter and the white rictal spot rarely present 
instead of rarely absent (present once in ten onty : whereas 
in D. m. macrocercus it is absent once in ten according to 
Baker in Noy. Zool. XXV ; 1918, p. 277). 
Differs from D. m. cathoeca in having a shorter bill 
and wing while the median feathers of the tail are always 
shorter but the outermost generally longer. 
Specimens examined. Twenty from S. Tenasserim, 
S.W. and Central Siam and South Annam. Wing 123-140 : 
Tail, outermost feathers, 150-178, median feathers, 100-108; 
bill from gape 23-25. 
Type. Adult male, No. 4975. Collected at Koh Lak, 
S.W. Siam, 3rd April 1919, by H. C. Robinson and C. Boden 
Kloss. 
“Tris dark brownish red, bill and feet black.” 
Total length 296 ; wing 135; tail 177-105 ; bill from 
gape 25 mm. 
Dicrurus macrocercus javanus subsp. nov. 
Like D. m. thai but with a larger bill (practically equal 
in size to that of D. m. cathoeca). 
Specimens examined. Twelve from East Jaya and 
Mid-Java. Wing 129-139; tail, outermost feathers, 
147-166, median feathers, 101-114 ; bill from gape, 24-27. 
Type. Adult male No. 5953. Collected at Badjoelmati, 
Besoeki, E. Java, 3rd February 1920, by C. Boden Kloss. 
‘Tris dark, bill and feet black.” 
Total length 296 ; wing 139 ; tail 157 ; bill from gape 
26 mm. 
ON THE RUBY-CHEEK WITH DESCRIPTIONS OF 
THREE NEW SUBSPECIES. 
Having assembled a large series of Chalcoparia 
singalensis from Indo-China and Malaysia I take the oppor- 
tunity to review the races occurring on the mainland and 
the large islands. 
Beginning with the northern specimens of the series 
I recognise the following forms :— 
1. Chalcoparia singalensis koratensis Kloss. 
Kloss, Ibis 1918, p. 218 (Korat, E. Siam). 
Males with the rufous of the foreneck not extending so 
far downwards as in other races and terminating abruptly 
on the upper breast. Remaining lower parts a markedly 
brighter, less greenish yellow. 
Females with lower parts brighter than in the typical 
race C. s. singalensis. 
