HAZEL GROUS. 



'273 



their inner webs, towards the tip, varied with red- 

 dish : the feathers at the base of the upper man- 

 dible black : on each side of the nostrils a small 

 white spot ; between the beak and eye another, 

 and a third behind each eye : the chin and throat 

 are black, surrounded by white : the feathers of 

 the fore-part of the neck are rufous, striped trans- 

 versely with dusky, and tipped with white : belly 

 and thighs ash-coloured, varied with black cres- 

 cents : the vent pale grey : the tail is composed of 

 sixteen feathers ; the two middle ones similar to 

 the back ; all the others varied with brown and 

 greyish white, and marked with a broad bar of 

 black towards their tip, which is grey-white : the 

 claws, the naked part of the tarsi, and the feet, are 

 brown. 



The female differs in wan tin the black chin 

 and throat, and in having the naked carunculated 

 space about the eyes smaller, and more dull in 

 colour. The young of both sexes on the approach 

 of winter exactly appear like the female ; previous 

 to that period they have the body varied with 

 rufous and black : the rump whitish, barred with 

 black : the quills tipped with white : the breast 

 pale cinereous : the tail black, with transverse 

 rufous spots : the beak and legs black : the eye- 

 .brows very pale red. 



Tetrao canus of Sparrman, the Helsingian Grous 

 of Latham, appears to be only a variety of this 

 species : it has the entire plumage of a hoary- 

 white, obscurely undulated with brown : the wing- 

 coverts brownish, marked with a whitish spot at 



V. XI. r. II. 3 9 



