BIRDS OF NOETH AND MIDDLE AMERICA. 



237 



Psittacus aurantius Vieillot, Nouv. Diet. d'Hiat. Nat., xxv, 1817, 325 (based on 

 Psittacus autumnalis var. Latham; Levaillant, Perroquets, pi. 109" etc )• 

 Tabl. Enc. M^h., iii, 1823, 1373. ' ' ' " ' 



Chrysotis aestivalis Bonaparte, Naumannia, 1856 (Consp. Psitt., no. 100) (nomen 

 nudum!).— Gray, List Birds Brit. Mua., Psittacidae, 1859, 81 (Mexico).— 

 Salvin, Ibis, 1871, 88, footnote. 



AMAZOKA AUTUMNALIS SALVINI (Salvadori). 



SALVIN'S PARROT. 



Similar to A. a. autumnalis, but adults without any yellow on sides 

 of head or (ia some examples from Costa Rica, Nicaragua, and 

 southern Honduras) with the yellow area much reduced ; rod of fore- 

 head averaging much narrower; feathers of hindneck always(?) with 

 a sub terminal bar of bluish or lavender-violet.*^ 



Adult male. —Length, (skms), 291-332 (315); wing, 202-233 (217.8); 

 tail, 102.5-131 (119.5); culmen, 29-33 (31.2); tai-sus, 21.5-26 (24.5); 

 outer anterior toe, 26.5-33 (30.8).^ 



Adult female. — Length (skins), 285-332 (311); wing, 201-214 

 (208.6); tail, 108-125 (113); culmen, 28-31.5 (29.9); tarsus, 21.5-25 

 (23.4); outer anterior toe, 28-32.5 (29.3).'= 



o There is the same great amount of individual variation in this form with respect 

 to the extent of the red on subbasal portion of the lateral rectrices as in ^. a. autum- 

 nalis. This red may form a large spot or area on the inner web alone, may invade the 

 outer web also, or it may be wholly absent. Specimens from Panama apparently never 

 have any yellow on the side of the head, and the same is the case with many of those 

 from Costa Rica and Nicaragua; but a considerable proportion of specimens from the 

 last-named two coimtries have a more or less distinct area of yellow on the lower 

 part of the lores and upper part of the suborbital region, thus showing intergradation 

 with A. a. autumnalis. The yellow area is never so large, however, as in specimens 

 of the latter from southeastern Mexico, etc., and Carriker (Ann. Carnegie Mus., vi, 

 p. 487) certainly erred in referring the Costa Rican birds with a yellow suborbital 

 spot to A. a. autumnalis. The yellow spot seems to occur about equally in speci- 

 mens from opposite sides of Costa Rica. 



& Eleven specimens. 



c Nine specimens. 



Intergradation between this form and A. a. autumnalis is complete, many speci- 

 mens from Nicaragua and the Caribbean slope of Costa Rica being intermediate in 

 character, though most of them are decidedly nearer to the present form. To the 

 southward A. a. saZyini probably grades into A. lilacina (Lesson), and A. diademata 

 (Spix), of Amazonia, may also be conspecific; but I have not seen either of these 

 forms. 



