566 



NOTES ON NEOTROPICAL BIRDS. 



Ecuador. Having compared the above type with another skin from 

 Costa Rica in my collection and specimens from Western Ecuador (true 

 subalaris), I have found several slight though apparently constant points 

 of difference which induce me to regard A. lineatus as a northern form 

 or subspecies of A. subalaris, from which it may be distinguished by the 

 following diagnosis : 



-{•A. subalaris lineatus (Lawk.). 



A. subalari si mi Hi mus, sed major, rostro impri mis longiore, difiertetiaiiicorpore supra 

 saturatius rufo-bruuiieo (in subalari magis olivaceo-brunneo), dorsoobsoletius striato, 

 sti iis in dorso medio evanescentibus. Corpore subtus paulo rufescentiore, gala purius 

 Btraruineo (in subalari magisochraceo) flava. Subalaribusiutensiusrufocinnamomeis. 



Specimens. 



A. subalaris Scl. : 



1. Male, Cayandeled, Western Ecuador, March 16, 1883 



2. Male, Cayandeled, Western Ecuador, February 13, 1883 



.!. Male, Cayandeled, Western Ecuador, February i, 1883 ... . 



4. Male. Pedregal (2,800'), Western Ecuador, February 14,1883 . 



5. Female, Cbaquarpata (5,700') Western Ecuador, March 5, 1883 



A. subalaris lineatus Lawk. : 



1. Female, Angostura, Costa Rica, April 21, 1864 (type) 



2. Adult, Costa Rica, Mus. II. v. B .' . 



Tars. 



Mm.. 

 22£ 

 23i 

 22J 

 22 

 21J 



221 

 231 



Muenden, May, 1889. 



