SUYA. 443 



Distribution. This rare Warbler has been once procured at Bank- 

 asun, in the south of Teuasserim, by Davison. It is probablv 

 only a winter visitor to Bucma. It is found in South China and 

 Formosa in the winter, and in North-eastern Asia in the summer. 

 Nothing is known of its habits. 



Genus SUYA, Hodgs., 1836. 



The genus Suya comprises four Indian species, which are chiefly 

 found on the hills and more rarely in the plains. They have 

 greatly developed tails, which are always twice the length 'of the 

 wing or even longer. The spring moult is very complete, attended 

 in the case of three species with a marked change of colour from 

 that of the winter, and in the case of one with a conspicuous alter- 

 ation in the length of the tail. One species undergoes no change 

 of colour at the moults. 



The Hill- Warblers are poor fliers and are resident species. 

 They frequent low brushwood, but sometimes resort to the tops of 

 low trees. They are closely allied to Prinia both in appearance 

 and habits, but they have longer tails. They have two strong 

 rictal bristles on each side, but no hairs in front of them ; the whole 

 of the feathers of the forehead being very firm, short, and smooth. 

 The tail is greatly graduated, the outer feather either reaching to 

 the middle of the tail or falling short of it. 



The Hill- Warblers construct globular nests of grass in bushes 

 near the ground, and lay spotted eggs. v 



Key to the Species. 



a. Chin and throat white or fulvous white. 

 a'. Upper plumpge very distinctly streaked. 



a". Sides of chin and throat and the whole [p. 444. 



breast irregularly barred S. criniyera hiem., 



b". Sides of chin and throat and the whole [p. 444. 



breast unbarred S. ciinigera aestiv., 



6'. Upper plumage plain or obsoletely streaked. 

 c". Crown of same colour as back. [p. 445. 



a'". Upper plumage olive-brown S. atrigularis hiem,, 



b'". Upper plumage ferruginous-brown . . S. khasiana hiem., 



[p. 446. 



d". Crown of a darker colour than the back . S. superciliaris, 



b. Chin and throat deep black. [p. 447. 

 c'. Upper plumage dark olive-brown ; the head 



tinged with ashy ; black of throat continued [p. 445. 



over the breast and upper abdomen S. atrigidaris gestiv., 



(f. Upper plumage ferruginous brown; black [p. 446. 



confined to chin and throat S. khasiana *, aestiv., 



I am unable to identify Suya gangetica, Blyth, Ibis, 1867, p. 23. 



