GTPSOPHILA. 149 



Turdinus williamsoni, Godw.-Aust. J. A. S. B. xlvi, pt. ii, p. 44 



(1877). 

 Corythocichla striata (Wald.), SJiarpe, Cat. B. M. vii, p. 593. 



Coloration. Resembles C. brevicaudata. Differs in having the 

 sides of the head brown instead of deep ashy, and in having the 

 breast and lower plumage brown slightly tinged with rufous, 

 instead of ferruginous ; the spots at the tips of the wing-coverts 

 and quills are less distinct, and are fulvous, not white. 



The bill in the dry state has the upper mandible dark brown, 

 the lower pale brown ; the legs and feet are brown. 



Length about 5; tail 1*8; wing 23 ; tarsus '95; bill from 

 gape -8. 



Distribution. The base of the Khasi and Garo hills ; Sadiya in 

 Assam. Godwin- Austen appears to have obtained this bird also in 

 Manipur. 



Habits, $c. This species is so close to C. brevicaudata, that the 

 habits of the two are very likely to be the same. 



Genus GYPSOPHILA, Gates, 1883. 



The genus Gypsopliihi contains one remarkable bird which is 

 confined to certain limited tracts of limestone mountains in Tenas- 

 serim. Its plumage is of the most extraordinary character, and 

 even the very large series of this bird in the Hume Collection 

 affords no clue to its changes. For the present I locate this genus 

 among the Timeliince, but I feel sure that this is not its proper 

 place. Its place in the system must remain undetermined until 

 its plumage from the young to the adult stage is properly under- 

 stood. 



In structure Gypsophila is close to PeUorneum, from which it- 

 differs chiefly in its longer rictal bristles and stronger bill. The 

 upper plumage is squamated in appearance, owing to the feathers 

 being margined with black. 



155. Gypsophila crispifrons. The Limeroek Babbler. 



Turdinus crispifrons, Blyth, J. A. S. B. xxiv, p. 269 (1855) ; id. Birds 



Burm. p. 114 ; Wald. Ibis, 1876, p. 353 ; Hume, S. F. v. p. 87 ; 



Hume 8f Dav. S. F. vi, p. 262 ; Hume, Cat. no. 390 quat. ; Bing- 



ham, S. F. ix, p. 179. 

 Gypsophila crispifrons (BlytJi), Oates, B. B. \, p. 61 ; Sharps, Cat. 



B. M. vii, p. 561. 



Coloration. Adult. The whole head, neck, and lower plumage 

 pure white ; upper plumage olive-brown, the feathers of the back 

 margined with black ; each tertiary quill of the wing minutely 

 tipped with white. 



Younger birds have the forehead, lores, ear-coverts, a large 

 space round the eyes, cheeks, chin, and throat pure white ; 

 remainder of lower plumage ochraceous olive-brown, with some 

 blackish marks on the breast; crown, nape, and back olive-brown, 



