PSITTACID^. 113 



its lateral feathers blue : cheeks naked with plumose 

 lines. 



Sp. 4. Ma? augustus. 

 Psittacus augustus. Shaio, v. viii. p. 393. 



Sp. 5. Ma. Ararauna. 



Psittacus Ararauna. Shaiv, v. viii. p. 391- pi' 54. 



Sp. 6. Ma. ambiguus. 



MA.Jiiscescente-viridisJronte coccmedj regione circumjaciem et 



mandibulam hrunnescente. 

 Brown-green Maccaw with the forehead scarlet ; the region round 



the face and the mandible brownish. 

 Psittacus ambiguus. Becks. Nova Act. Acad. Cur. (Kuhl.) v. x. 



pi. 1 7.— Le grand Ara militaire. Le Vaill. Per. pi. 6. 



Inhabits South America. Length upwards of 

 two feet : of a brown-green, with the forehead scar- 

 let, the quills and rump blue : the tail beneath yel- 

 lowish, above rufous, the tip blue : the cheeks naked, 

 with plumose lines : the space round the face and 

 the mandible brownish : the beak of a dusky brown 

 colour, very stout, elongated and less curved than in 

 the following species. 



Sp. 7. Ma. militaris. 



Psittacus militaris. Shaxv, v. viii, p. 395. — L'Ara militaire. 

 Le Vaill. Per. pi. 4. — Guiana. 

 Sp. 8. Ma. severus. 



Psittacus sevei'us. Shatv, v. viii, p. 397. — Brazil, 

 Sp. 9. Ma. Makavouanna. 



Psittacus Makavouanna. Shatv, v. viii. p. 398. — Cayenne. 

 Sp. 10. Ma. Illigeri. 

 M.\. J'ronte ew auraniio-ruhrd ; caudd latere superiore purpura- 



scente. 

 Maccaw with the forehead of an orange-red ; the upper side of 

 the tail purplish. 

 V. XIV. P. I. 8 



