24. TTL.vs. 163 



Adult. General coloiir above olive-green ; wing-coverts like the 

 back ; quills dusky brown, externaUj- olive-green like the back, the 

 innermost secondaries eutirelj- dark olive-green ; tail-feathers dark 

 olive-brown, edged with yellowish olive along the outer webs, the 

 outer feathers with a narrow yellow edging at their tip ; head 

 crested, the forehead and crown brown, the najje-fcathers dusky- 

 brown, washed with olive and faintly edged with olive-yellow ; a 

 streak of white at the base of the nostril running up on each side 

 of the forehead ; a smaller white spot above the eye ; lores, region 

 of the eye, sides of face, and ear-coverts dusky brown, the hinder 

 portion of the ear-coverts and the feathers below the latter on the 

 side of the throat ashy grey ; in the middle of the ear-coverts a yel- 

 low spot ; above the ear-coverts a line of pointed feathers of a bright 

 yellow colour ; fore part of cheeks, chin, and upper throat white ; 

 lower throat bright yellow ; fore neck, breast, aud sides of body 

 olive-yellow, tinged with greenish on the sides of the breast ; centre 

 of bod}', abdomen, and under tail-coverts brighter yellow ; thighs 

 externally olive-greenish, internally yellow ; under wing-coverts and 

 axillaries yellow, as also the edge of the wing, the wing-coverts 

 adjoining the latter olive ; quills brown below, whitish along the 

 inner web ; " bill black ; tarsi and feet dark leaden blue ; iris red, 

 mingled with brown, or red deepening to brown next to the pupil " 

 ( IF. Vincent Lcqcje). Total length 7'5 inches, culmen 0-05, wing 

 3-1, tail 3-1, tarsus 0-9, 



Captain Legge gives the dimensions of the male bird as follows : — 

 Total length 7'o to 8 inches, wing 3-2 to 3'4, tail 3-1 to 3"2, tarsus 

 0*75 to 0-8, mid toe and claw O'S, hind toe and claw beneath 0'6, 

 bill to gape 0-85. The female, he says, is slightly smaller : length 

 7"1 inches, wing 3-1. 



Young birds of the year have the feathers of the head edged 

 whitish, and the j'cllow of the throat less in extent and more clearly 

 defined from the hue of the chest. (TF. V. Lerff/e.) 



The Yellow-eared Bulbul is confined to the hills of Ceylon, where 

 it occurs up to 3500 feet, in certain districts being common at 

 400U feet elevation. It is said to have been once obtained by Dr. 

 Jerdon on the Nilghiri hills ; but the specimen was destroyed, and its 

 occurrence out of Ceylon is doubtful. 



fl, b. Ad. sk. Ceylon. Dr. Kelaart [P.]. 



c. Ad. sk. Ceylon. Hugh Cuming, Esq. [C.]. 



24. TYLAS. 



Type. 

 Tylas, Hartl. P. Z. S. 1862, p. lo2 T. eduardi. 



liancje. Confined to iJadagascar. 



Ohs. During a recent visit to the Leiden Museum, I carefully 

 examined all the specimens of Tylas in that collection, including the 

 types of Schlegel's T. aJbir/nJarin, which are from Mouroundava ( Van 

 Venn). I came to the conclusion that five species could be recog- 

 nized, as set forth in my " Key " given below. I must confess that 

 on studying the genus soon after at Paris 1 found great difficulty in 



ji 2 



