V CALLISTE VITRIOLINA. 



THE NEW-GRENADIAN RUFOUS-HEADED TANAGER. 



PLATE XVIII . 



Callispiza vitriolina. . . . Cab. Mus. Hein. p. 28. 



Calliste ruficapilla .... Sclater, Contr. Om. 1851, p. 61 ; P. Z. S. 1855, 

 p. 158 ; List of Bogota B. p. 30 ; P. Z. S. 1856, 

 p. 252. 



Mas aditltns. Ex griseo nitenti-viridescens : pileo rufo : capitis 

 lateribus iiigris : alis caudaque nigris cserulescenti-viridi lim- 

 batis : subtus dilutior et cseruleo tinctus ; ventre albesceutiore, 

 crisso pallide rufescente : rostri nigri mandibula inferiore 

 plumbea : pedibus nigricantibus : long, tota 5° 3, alee 3*0, 

 caudse 2*2 poll. Angl. 



Foemina. Mari similis sed coloribus dilutioribus et marginibus 

 alarum viridescentibus. 



When I first became acquainted with this Tanager some years 

 ago, I considered it to be the true Tanagra cay ana of Linnseus. 

 And indeed the figures and descriptions of that bird given by the 

 older authors are quite as applicable to the present species as to the 

 true cay ana. But the fact, of vrhich I was then ignorant, of the 

 next following bird being quite common in Cayenne, while the present 

 is confined to the interior of New Grenada, — a country, of which the 

 natural productions have only of late years become familiar to Euro- 

 peans, — is quite sufficient, were there no other grounds to go upon, 

 to convince us that that species is the true ^'Rv/cms-headed Tanager" 

 of the older authors, and this its distinct although closely -allied re- 

 presentative in the different zoological region of the New-Grenadian 

 Andes. 



Accordingly in my Synopsis of the genus Calliste, published in 

 the beginning of the year 1851, I gave the specific title ruficapilla 

 to this Tanager. Dr. Cabanis, in his catalogue of Heine's collection 

 called "Museum Heineanum," has conferred the designation vitriolina 

 on this same bird. And, since the sheets of that work containing 



