Old: IX. 



COLUMB.E, 



Gen. XLII. COLUMBA. Lin. 



151 sp. CoLUMBA PALUMBUs. Lin- The Riiig-dove. 



Nest. April— May, on trees. 

 Ejigs. 2, white. 



151 « 



151^ 



151c 



152 sp. CoLUMBA (ENAs. Lin. The Stock-clove. 



Nest. April — May, in holes of pollard oaks, in the midland and eastern counties. 

 Eggs. 2, white. 



15.2 « 



152 5 



152 



