126 



PSiTTACIDiE. 



Only one species has been discovered of this 

 genus, which lives chiefly upon the ground, and 

 procures its food among the herbs. 



Sp. 1. Pe. formosus. Illiger. 



Psittacus terrestris. Shaw, v. viii. p. 454. pL 66. 



GENUS CCXVL— PAL^ORNIS, Vigors. 



Rostrum subcrassum: man- 

 dibula superior dilatata, 

 culmine rotimdo, inferior 

 lata, brevis, emarginata. 



AlcB mediocres, remigibus 

 tribus extimis fere ssquali- 

 bus, longissimis ; secundae, 

 tertise, et quartae pogoniis 

 externis in medio gradatim 

 latioribus. 



Cauda gradata : rectricibus 

 duabus mediis gracillimis 

 caeteras longitudine mag- 

 nopere excedentibus. 



Pedes; tarsi brevibus, de- 

 bilibus; unguibus medi- 

 ocribus, subgracilibus, fal- 

 catis. 



Corpus gracile, concinnus. 



Beak rather thick : the upper 

 mandible widi its top 

 rounded, the lower broad, 

 short, emarginated. 



Wings moderate, with the 

 three outer quills nearly 

 equal and longest; the 

 second, third, and fourth 

 with the outer web gra- 

 dually broader in the 

 middle. 



Tail gradated : the two 

 middle feathers very slen- 

 der and greatly exceeding 

 the rest in length. 

 Legs with short tarsi, weak, 

 the claws moderate, rather 

 slender, hooked. 



Body slender, beautiful. 



A. Mandibula inferiore brevi. 



A. With the lower mandible short. 



Sp. 1. Pa. Alexandri. Zool. Jourri. (Vigors.) v. ii. p. 49. 



Psittacus Alexandri. Shaw, v. viii. p, 423. pi. 61. var. /3. — 

 Psittacus Eupatria. Shaw, v, viii. p. 438. — Ceylon. 



