ornithologist's text-book. 107 



LATHAM'S SYSTEM, 1790, 



Divis. 1, Terrestres. 



I Order, Accipitres. 

 Vultur, Falco, Stria:. 



II Order, Pioe. 



A. Walking feet. — Lanius, Buphaga, GlauC- 

 opis, Corvus, Coracias, Oriolus, Gr acuta, Para- 

 discea, Sitta, Upupa, Certhia, Trochilus. 



B. Climbing feet. — Psittacus, Ramphastos, 

 Callceus, Crotophaga, Trogon, Bucco, Cuculus, 

 Yunx, Picus, Galbula. 



C. Running feet. — Momota, Buceros, Alcedo, 

 Todus, Merops. 



III Order, Passeres. 



A. With hard thick bills. — Loxia, Emberiza^ 

 Fringilla, Phytotoma. 



B. Bill flat, suddenly narrowing from the base 

 to the tip.— Colins, Pipra, Hirundo, Caprimulgus, 



C. Upper mandible depressed at the tip. — 

 Tardus, Ampelis, Tanagra, Muscicapa. 



D. Bill straight, entire, and narrow. — Stur^ 

 7ius, Alauda, Motacilla, Sylvia, Parus. 



IV Order, Columb^e. 

 Columba. 



V Order, Galling. 



Pavo, Gallopavo, Penelope, Numidia, Crdx, 

 Phasianus, Tinamus, Tetrao,Perdix,Psophia, Otis. 



VI Order, Struthiones. 



Didus, Rhea, Casuarius, Struthio* 



