1 74 Zoological Society : — 



somewhat concave ; first primary very small ; the third, fourth and 

 fifth equal and the longest ; tail rather shorter than in Tu?'dvs, and 

 the feathers rather pointed ; tarsi very strong, toes strong and much 

 lengthened, particularly the hinder one ; front of the tarsi scutel- 

 lated ; under part entire. 



This form differs from all others in the great family of the 

 Thrushes, and appears to partake of the characters of the genera 

 Tnrdus, ChamcBza, and Oreocincla. 



Nesocichla eremita. 



Head and all the upper surface, wings and tail dark sandy-brown, 

 with a darker shade in the centre of each feather, but the primaries 

 have paler edges, and the greater coverts and secondaries are tipped 

 with sandy buff ; lores and cheeks rufous ; feathers of the under 

 surface deep buff at th.e base, with a lengthened pear-shaped mark 

 of brown down the apex of each feather, these marks being so large 

 and thickly placed as to give the whole a mottley a})pearance ; on 

 the throat these marks somewhat resemble striae ; thighs buff ; bill 

 black ; tarsi reddish-brown, toes darker. 



Total length, S\ inches ; bill, li ; wing, 3f ; tail, 3 ; tarsi, \\. 



Hah. The island of Tristan d'Acunha. 



Remark. — This bird is about the size of the common Song- thrush, 

 Turdus musicuSi and similar to it in appearance ; on examination, 

 however, it will be found to differ very considerably in structur©.)Tijirj 



Merula vinitincta. 



The male has the head and nape blackish-brown, upper surface 

 and wing-coverts reddish-brown ; wings brown margined with oliva- 

 ceous ; tail brown ; throat dark bluish grey ; under surface vinaceous 

 red ; bill bright gamboge-yellow ; eye-lash yellow ; tarsi and toes 

 yellow. 



Total length, 8 inches ; bill, 1 ; wing, 4 J ; tail, 3| ; tarsi, 1^. 



The female is very similar, but is of a somewhat paler tint, and 

 has only a trace of the black hood of the male. 



Hab. Lord Howe's Island. 



Remark. Of the same form, and somewhat allied to the Merula 

 nestor of the Norfolk Island. 



ZOSTEROPS TEPHROPLEURUS. 



Head and upper surface bright olive-green, with a wash of grey 

 across the shoulders ; wings and tail slaty brown, margined with 

 olive-green ; throat dull yellow ; around the eyes a circle of white 

 feathers, below which is a mark of black ; under surface pale vina- 

 ceous brown, becoming gradually paler on the lower part of the ab- 

 domen, and passing into the pale yellow of the under tail-coverts. 



Total length, 4f inches ; bill, f ; wing, 2^ ; tail, 2^ ; tarsi J. 



Hab. Lord Howe's Island. 



Remark. This species is allied to Z. dorsalis, but is of a some- 

 what larger size, and is less richly coloured on the flanks. 



