k Eesser\ 



\ ..TTediojt \ W")<f Core rfs 

 + } 1 



^ -Lfyper Taj/ Coverts 



FIG. 211. Diagram showing names applied to the parts of a bird's body 

 (From Wright.) 





FIG. 212. Pigeons in flight. (Photo, by Hegner.) 

 334 



