140 TETRAO UROGALLUS. 



The aperture of the ear has a diameter of six-twelfths within 

 the margin. The eves are of moderate size ; the bare papil- 

 late supraocular space small and of a semilunar form. 



The feet are short, and of moderate strength ; the toes of mo- 

 derate size ; the first very small and elevated, with ten scales ; 

 the second a little shorter than the fourth, with eighteen scales ; 

 the third much longer, with thirty scales ; the fourth with 

 twenty-one. On each side of the series of scutella, is a row of 

 square scales, below which is a lateral pectiniform series of 

 linear scales directed obliquely forwards. The webs connect- 

 ing the fore toes are comparatively large. The claws are 

 rather short, strong, arched, Vvdth declinato-convex sides. 



The plumage is ordinary, the feathers generally oblong and 

 rounded. Those of the throat are elongated, compact, and 

 glossy. The wings are of moderate length, broad, much 

 rounded, convex ; with twenty-eight quills ; the fourth pri- 

 mary longest, the third almost equal, the first intermediate 

 between the seventh and eighth. The tail is rather long, 

 rounded, of eighteen feathers. The tarsi are covered with 

 rather downy feathers. 



The bill is yellowish-grey ; the iris brow^l ; the supraocular 

 space scarlet ; the toes and claws dark g^eyish-bro^^^l. The 

 head, upper part of the neck, and the back, are undulated with 

 grey and black transverse lines ; the elongated fea^thers of the 

 throat black, glossed with green. The lower part of the neck 

 anteriorly and laterally, and the fore part of the breast, are 

 black, the broad tips of a glossy dark green. The breast is 

 brownish-black, some of the middle feathers tipped with white ; 

 the sides are undulated with grey and black ; the axillaries 

 white ; the lower wing-coverts, excepting some of the outer, 

 white ; the vent feathers mostly white ; the lower tail-coverts 

 black, tipped with white. The upper wing-coverts are brownish- 

 red with black undulations. The alula, primary coverts and 

 quills, are greyish-bro\ATi. Half of the outer webs of the se- 

 cond, third, fourth, and fifth quills are w^hite, towards the end 

 undulated ; the outer webs of the secondaries are undulated 

 with reddish-brown ; the edge of the alula is white, as is that 

 of the wing under it. A white spot from the axillar feathers 



