SPOTTED GREY FLYCATCHER. 519 



and slightly convex, the sides at the base sloping outwards and 

 concave, towards the end convex, the back broad and flattened, 

 but towards the end narrow, the edges sharp and sloping out- 

 wards ; the gape-line straight. Both mandibles are internally 

 slightly concave, with a central prominent line, the upper with 

 a groove on each side for the edges of the lower ; the palate is 

 flat ; the posterior aperture of the nares linear, margined in its 

 whole length with rather large papillae. The tongue, Plate 

 XXII, Fig. 2, a, five and a half twelfths long, flat, deeply 

 emarginate and finely papillate behind, ciliated on the edges at 

 the base, the tip slit and lacerated, the points very slender. The 

 oesophagus, h c d, is two inches in length, of nearly uniform dia- 

 meter, its average width two twelfths. The stomach, d e, is 

 seven twelfths long, six broad, moderately compressed, its late- 

 ral muscles of moderate thickness, its tendons rather small, the 

 inner coat thin and broadly rugous. The intestine, efg h, is 

 six inches long, rather wide, having a diameter of from two 

 twelfths to one ; the coeca, g, extremely small, cylindrical, a 

 twelfth long, and ten twelfths of an inch distant from the ex- 

 tremity. 



The nostrils are elliptical, open, perforated, in the fore part 

 of the large nasal membrane, which is anteriorly bare, one 

 twelfth of an inch long. The eyes are small, their aperture 

 two twelfths. That of the ear elliptical, very large, nearly 

 three twelfths. The feet are very small and slender ; tarsus 

 very short, compressed, anteriorly with six scutella, acute be- 

 hind ; the toes very small ; the hind toe not stouter than the 

 third, and with its claw equal to the second and fourth, the 

 third much longer ; the first with eight, the second with ten, 

 the third thirteen, the fourth twelve scutella. Claws of mode- 

 rate length, rather strong, extremely compressed, moderately 

 arched, acute. 



Plumage very soft, blended, the feathers ovate, with the fila- 

 ments free at the end, and a very slender long plumule of few 

 barbs. There are five long, stifiish bristle-feathers on each 

 side at the base of the upper mandible, and several small ones 

 on the nasal membrane. Wing of moderate length, broad, 

 semiovate, rather pointed, with eighteen quills, of which ten 



