BIEDS OP NORTH AND MIDDLE AMERICA. 249 



Amazona aestiva (not Psittacus sestivus Linnaeus) Schlegel, Mus. Pays-Bas, hi, 



no. 26 (Psittaci), 54, part (Mexico); no. 38 (Revue), 1874, 27, part (Mexico). 

 A[mazona] oratrix Ridgway, Man. N. Am. Birds, Sept. 27, 1887, 587 (new name 



for Chrysotis levaillantii Gray, preoccupied by Amazona levaillantii Lesson); 



2d ed., 1896, 594, part. 

 Amazona oratrix Lantz, Trans. Kansas Ac. Sci. for 1897-99 (1900), 220 (Rin- 



conada, Puebla).— Phillips, Auk, xxviii, 1911, 75 (Rio de la Cruz, s. Ta- 



maulipas). 

 [Amazona] oratrix Sharpe, Hand-list, ii, 1900, 21, part. 



AMAZONA ORATRIX TRESMARIffi Nelson. 



TRES MARIAS PARROT. 



Similar to A. o. oratrix but with bill more robust, the mandible 

 decidedly broader, and green color less yellowish, especially on under 

 parts, which are tinged with light cendre or pale emerald green, and 

 with black terminal margins to feathers of back, chest, etc., yery 

 indistinct or obsolete. 



Adultmale.— Length (skins), 360-398 (374); wing, 232-243 (238.3); 

 tail, 124.5-136(130.7); tarsus, 24-27 (26.1); outer anterior toe, 32-35 

 (33.4).° 



Adult female. — Length (skin), 365; wing, 233; tail, 131; culmen, 

 33; tarsus, 24; outer anterior toe, 31. 6 



Tres Marias Islands (Maria Madre; Cleofa), western Mexico. 



Chrysotis levaillanti (not of Gray) Finsch, Die Papag., ii, 1868, 580, part (Tres 



Marias Islands). 

 Chrysotis levaillantii Grayson, Proc. Bost. Soc. N. H., xiv, 1871, 271 (Tres Marias 



Islands; habits; descr. nest and eggs). — Lawrence, Mem. BOst. Soc. N. H., 



ii, 1874, 296, part (Tres Marias; habits; descr. nest and eggs). 

 Chrysotis levaillanti Salvadori, Cat. Birds Brit. Mus., xx, 1891, 293, part (Tres 



Marias Islands). — Salvtn and Godman, Biol. Centr.-Am., Aves, ii, 1897, 587, 



part (Tres Marias). 

 C[hrysotis] levaillanti Lawrence, Ibis, 1871, 250, part (Tres Marias). 

 A[mazona] oratrix Ridgway, Man. N. Am. Birds, 1887, 587, part (Tres Marias); 



2d ed., 1896, 594, part (Tres Marias). 

 Amazona oratrix Nelson, N. Am. Fauna, no. 14, 1899, 39 (Tres Marias; habits; 



crit.).— Bailey (H. H.), Auk, xxiii, 1906, 387 (Cleofa I., Tres Marias). 

 [Amazona] oratrix Sharps, Hand-list, ii, 1900, 21, part (Tres Marias). 

 Amazona oratrix tresmarise Nelson, Auk, xvii, July, 1900, 256 (Maria Madre I., 



Tres Marias group, w. Mexico;' coll. U. S. Nat. Mus.). 

 Amazona tres-marise Salvadori, Ibis, Oct., 1906, 646 (crit.). 



AMAZONA OCHROCEPHALA PANAMENSIS (Cabanis). 



PANAMA PARROT. 



Similar to A. o. ochrocepTiala ° but yellow of crown involving entire 

 forehead, and size smaller. 



Adults (sexes alike). — Forehead and median portion of crown 

 chrome yellow, this color extending to base of cere, sometimes con- 



° Six specimens. 6 One specimen. c See key, on p. 221. 



