]20 The Wilsox Bulletin — Xo. 71. 



perhaps a darker, less reddish, shade, than those o fthe next 

 species. These the eight eggs of \\'elch"s Ptarmigan measure 

 43x31; 44x31; 43x30; 40x31; 42.5x31.5; 41.5x30.5; 

 42 x 31 ; 42 x 31. Average 42.12 x 30.87. Average of Allen's 

 Ptarmingan 43.78 x 31. Bendire gives the measurements of 

 the eggs of Lagopus lagopus as 43 x 31 (average) of rupes- 

 tris as 42 x 30. 



