THE CLASSIFICATION OF BIRDS. 301 
Suborder II, SERPENTA RIT. 
Family I. GypoGERANIID®, 
Gypogeranus, 1. 
Suborder III. CATHARTES. 
Family I. SarcorHAMPHID®. 
Sarcorhamphus, 2. Cathartes, 1. 
Rhinogryphus, 5. 
Suborder IV. STRIGES. 
Family I. Buponip#. 
1. Subfamily Bubonine. 
3. Bubo, 17.  Scops, 25. 
Ketupa, 3.  Scotopelia, 3. 
Carina, 3.  Heteroglaux, 1. 
Nyctea, 1. Surnia, 1. 
Speotyto, 2. Gymnasio, 2. Ninox, 25. Sceloglaux, 1. 
Glaucidium, 20. Microthene, 1. 
2. Subfamily Syrniine. 
Asio, 9. Syrnium, 29. Nyctala, 2. 
Family I. Srricip”. 
Strix, 5, Phodilus, 1. 
Catharistes, 1. 
Order VIII. STEGANOPODES. 
Family I. PELEcanip2. 
1. Subfamily Pelecanine. 
Pelecanus, 10. Sula, 9. 
2. Subfamily Phalacrocoracine. 
Phalacrocorax, 39. Plotus, 4. 
Family II. Poarrontip”®. 
Phaeton, 4, 
Family II. Tacuyretrip”. 
Tachypetes, 2. 
Order IX. HERODIONES. 
Family I. ArpEipm. 
1, Subfamily Ardeinz. 
Ardea, 62, 
2. Subfamily Botaurine. 
Botaurus, 6. Tigrisoma, 4. Nyctiardea, 10. 
Family II. Scoripz. 
1. Subfamily Scopine. 
Scopus, 1. 
