Vol. II, Plate 2. 



1, Tawny Owl : Loosely constructed feather of juvenile plumage with one short filament of 



nestling down adhering near tip. 2, Barn-Owl : First winter feathe r with long 2nd 



nestling down adhering to its tip and two filaments of very short 1st nestling down 



adhering to tips of 2nd nestling down. 





. 





Portions of outer webs of 1st primaries of : 3, Short-eared Owl, 4, Long-eared Owl. 

 5, Nestling in down, 6, Juvenile, of Lonsr-eared Owl. 



[Face p. 92.] 



