A Catalogue of Birds found in Costa Rica, 117 



"With two specimens under examination, they say, "The male 

 is not quite adult, and would probably eventually lose all tra 

 of the irregular dark margins of the outer tail leathers, as in 

 female no traces of these spots appear." 



When I referred this species to eximia, there was but one 

 specimen in the collection, a male, and if I noticed the extension 

 of the white on the outer webs of the tail feathers, no doubt 

 attributed it to immaturity; it appears, however, to be fully 

 adult; the white mark occupies about two-thirds the width of 

 the outer web of the outer tail feather, and the dark outer mar- 

 gin is uninterrupted to the dark end of the feather. 



Two other males have been received since; in one tin- white 

 extends on the outer web of the first lateral tail feather, as in the 

 specimen described above, but the end of the feather is whit' 

 the inner web is white, with a dark blotch near the end ; in the 

 other the outer web is without white, except at tin 1 tip, and the 

 white on the inner web extends to the end of the feather ; tfa 

 two I consider to be not quite mature, though the plun 

 perfect in other respects. 



In E. eximia the white is confined to the inner •■ 

 clearly defined, extending evenly across the feather, and d 

 not reach so near the end as in egregia : in the latter the wii 

 and tail are somewhat longer. 



I examined twenty or more specimens of eximia from 'in 

 mala, and found none with white on the outer v.- tail 



feathers. 



At first sight the two species would be Bupp >- 1 the 

 on examination they differ in the white marl; 

 above pointed out; the specific name 

 sequently to the Costa Kican bird. 



430. Asturina nitida. The M- sican and South 

 birds of this form have . '" 



recording it from Costa Rica, I ov< »»1 Mr. 



Schlegel°(d/'^. d'IZist. Nat. des J'":, Bos, 1862 - the 



Mexican bird as distinct from I ■ *be 



