INDEX. XXxix 



SECOND CLASS.— BIRDS. 



OVIPAROUS VERTEBRATA IN GENERAL, 197 

 BIRDS, 202 



ORDERS OF THE CLASS OF BIRDS. 



I. ACCIPITRES, 207 



II. Passerine, 207 

 III. ScansorijE, 207 



IV. GALLINACEffl, 207 



V. GrallatorijE, 207 

 VI. Palmipedes, 207 



GENERA, SUBGENERA, AND OTHER DIVISIONS. 



I. ACCIPITRES: 



Gen. I.— Vultur, 208 



Subgen. — Vultur, 209 



Catliartes, or Gallinazas, or Catharistes, 210 

 Percnopterus, Gypaetos, or Neophron, 210 

 Gypaetos or Phene, 211 



Gen. II.— Falco, 212 



Sect. 1 . — Noble Birds of Prey. 

 Falco, 212 

 Hierofalco, 214 



Sect. 2. — Of the Gen. Falco. — Aquila, 215 

 If/noble Birds of Prey. 



Subgen. — Aquila, 215 



HalijEtus, 216 

 Pandion, 217 

 Circaetus, 217 

 Harpyia, 218 

 Morphnus, 219 

 Gen. — Astur, 220 



Subgen. — Astur, 220 

 Nisus, 221 

 Gen. — Milvus, 221 



Subgen.— MWvnH, 222] 

 Perriis, 222* 

 Gen.— Buteo, 223 

 Circus, 224 

 Serpentarius or Gypoeranus, 225 



Nocturnal Birds of Prey. 

 Gen. — Strix, 225 



Subgen. — Otus, 226 

 Ulula, 226 

 Strix, 227 

 Syrnium, 227 

 Bubo, 227 

 Noctua, 228 

 Scops, 229 



