212 TOPICS. 



PRINCIPAL TOPICS CONSIDERED IN CHAPTER II., SECTION III. 



SUB-SECTION I. 



The Birds considered as a Class. Their general characteristics, their external 



parts, skeleton, internal structure, etc. Eggs. Nests. Longevity. Classifi- 

 cation. 



Sub-sections II., III., IV., V., VI., VII., VIII., IX., X., XI., XII., XIII., XIV., XV., 

 and XVI., treat respectively of ihe Passeres or Song-Birds, etc., the Picarise. or 

 Woodpeckers, etc., the Psittaci or Parrots, etc., the Raptores 01 Birds of Prey, the 

 Columbte or Pigeons, the Gallinre or Pheasants, etc., the Brevipennes or Ostriches, 

 etc., the Limicoloae or Shore Birds, the Herodiones or Herons, etc., the Alectorides 

 or Rails, etc., the Lanicllirostres or Ducks, etc., the Steganopodes or Gannets, etc., 

 the Louaipennes or Gulls and Petrels, the Pygopodes or Divers, etc., and the Sphen- 

 ica or Penguins. 



