FALCONIDiE. 



17 



Tarsi elongSLti, fortissimi, ad 

 basin plumati ; acrotarsia 

 scutellata. 



Ungues longi, fortissimi, 

 acuti. 



Tarsi elongated, very strong, 

 feathered to the base; acro- 

 tarsia scutellated. 



Claws long, very strong, 

 acute. 



Sp. 1 . Ha. iniperialis. 



Falco imperialis. Shavoy v. vii. p. 52. pi 15. — Falco Harpyia. 

 Shaw, V. vii. p. 54. — South America. 



GENUS XIV.— MORPHNUS, Cuvier. 



Rostrum supra convexum; 



nares elliptici. 

 Tarsi elevati, subgraciles; 



acrotarsia scutellata. 



Digiti subbreves ; ungues 

 acuti; 



Spizaistus, Vieillot. 



A. Tar sis nudis. 



Beak convex above ; nostrils 

 elliptic. 



Tarsi elevated, rather slen- 

 der ; acrotarsia scutel- 

 lated. 



Toes rather short; claws 

 acute. 



A. Tarsi naked. 



Sp. 1 . Mo. Guianensis. 



Falco Guianensis. Shauo^ v. vii. p. 68. — Guiana. 

 Sp. 2. Mo. Urubitinga. 



Falco urubitinga. Shavo, v. vii. p. 63. Temm, PL Col. 55. — 

 Falco zonurus. Shatv, v. vii. /;. 62 ? — Brazil. 



B. Tarsis plumatis. B. Tarsi plumed. 



Sp. 3. Mo. occipitalis. 



Falco occipitalis. Shavo, v. vii. p. 59. — Africa. 

 Sp. 4. Mo. ornatus. Dauditi. 



Falco superbus. Skatv, v. vii. p. 64.— Falco coronatus. Skatv, 

 V. vii. p. Ql. pi, 16, — Southern Africa. 



Sp. 5. Mo. albescens. 



Falco albescens. Shatv, v. vii. p. 93. — Southern Africa. 

 V. XIII. p. II. S 



