83 

 Gen. XLIV. TETRAO. Lin. 



158 sp. Tetrao TETRix. Lin- The Mack Grouse. 



Nest. May — June, on the ground, in heaths and low underwood. 

 Eggs. 8-12, yellowish white, spotted and blotched with orange-brown. 



158« 



158 5 



158 c 



159 sp. Tetrao scoTicus. Za^/i. The red Grouse. 



Nest. May — June, ou the ground, on the Moors, in North Britain. 

 Eggs, 6-12, reddish white, marbled all over with deep reddish-brown. 



159 « 



159 <5 



159 



