60 



GALLING. 



TETRAONIDyE. 



TETRAONIDM. 



TETRAO TETRIX, Linnaeus.* 

 THE BLACK GEOUSE. 



Tetrao tetrix. 



ALTHOUGH at the present day the word Grouse, when used 

 alone, is applied in common parlance to the Red Grouse 

 (Lagopus scoticus), yet it would appear from Professor 



* Syst. Nat. Ed. 12, i. p. 274 (1766). 



