GKOOP OF VULTURES. 



BIRDS. 



THE most conspicuous external characteristic by which the BIRDS are distinguished 



from all other inhabitants of earth, is the feathery robe which invests their bodies, and 



which serves the double purpose of clothing and progression. For the first of these two 



objects it is admirably adapted, as the long, slender filaments of the feathers are not only in 



2. B 



