On the Genus Elaenia. 429 



ditata from Bolivia, some specimens inclining to the former, 

 others to the latter. As a rule Bogota birds have the 

 abdomen very pale yellowish, agreeing in this respect with 

 true E. viridicata, but a specimen from Cozumel, and another 

 from Costa Rica, are hardly different in this respect. Bogota 

 specimens are probably referable to E. v. pollens of Bangs. 



42. Elaenia viridicata jaliscensis (Nelson). 



Myiopagis platens Nels. (nee aut.), U.S. Dept. Agric. Div. 



Biol. Survey, N. Am. Fauna, No. 14 (1899), p. 50 (Très 



Marias) . 

 Myiopagis platens jalistensis Nelson, Auk, XVII. (1900), p. 



264 (descr. specim. ex S. Sebastian, Jalisco, typ. in U.S. 



Nat. Mus. Biol. Surv. Coll., no. 156,022). 

 Myiopagis jalistensis Sharpe, Handlist, III. (1901), p. 116. 



E. E. viridicata platens dictae valde affinis sed major, 

 cauda imprimis longiore, pileo pallidiore et grisescen- 

 tiore, corpore reliquo superiore pallidiore viridi, necnon 

 abdomine pallidiore flavo distinguenda (Nelson, translated). 



Al. 70, caud. 70*5, culm. 11, tars. 19 mm. (Nelson). 



Habitat : In Mexico occidentali : Sinaloa meridionali usque 

 ad regiones Jalisco et Tepic (Nelson) . Très Marias (Nelson) . 



I have not yet seen specimens from Western Mexico, and 

 therefore am unable to form an opinion about the validity of 



E. v. jalistensis. 



43. Elaenia viridicata minima (Nelson). 



Elainea platens Lawr. et Grayson (nee aut.), Proc. Boston 

 Soc. N. H., XIY. (1871), p. 279 ; Lawr., Mem. Boston 

 Soc. N. H., II. (1874), p. 286 (Très. Marias). 



Myiopagis platens minimus Nels., Proc. Biol. Soc. Washing- 

 ton, XII. (1898), p. 9 (descr. specim. ex Maria Madre isld., 

 typ. in U.S. Nat. Mus. Biol. Survey Coll., no. 156,817) ; 

 Id., U.S. Dept. Agric. Div. Biol. Surv. N. Am. Fauna, no. 

 14, p. 50 (Très Marias). 



