272 ON THE BLUE CROWS OF AMERICA. [Feb. 15, 



S. BOGOTANA. 



Cyanocitta armillata, G. R. Gray, in Gray & Mitch. Gen. of 

 B. pi. Ixxiv.; Wyatt, Ibis, 1871, p. 330. 



This is the ordinary "Bogota" form, and is, we suppose, that 

 figured by Gray and Mitchell, as above quoted; but no description is 

 given. It is much nearer to the last than to the succeeding, having 

 no greenish tinge to the blue. But the throat is lighter, the head paler, 

 and the upper surface generally not quite so dark. Mr. Wyatt's 

 skin from Pamplona belongs strictly to this form. 



y. aUINDIUNA. 



Of this form Mr. T. K. Salmon has lately sent us many examples 

 from the Cordillera of Quindiu. The forehead is of a more intense 

 blue than in the Bogota bird ; and this colour is continued over the 

 head and shoulders. The lovyer back, wings, tail and belly below are 

 of a more greenish blue ; but the throat within the black collar is of 

 nearly the same tint as in /3. 



P.S. — Since this paper was written we have received from Mr. 

 Lawrence a separate copy of his paper entitled " Description of a 

 new Species of Jay of the Genus Cyanocitta, and of a new Species of 

 the Genus Cyanocorax," read October 11th of last year before the 

 Lyceum of Natural History of New York. So far as we can tell 

 from Mr. Lawrence's description, his Cyanocitta pulchra, from 

 Ecuador, there described, is a species with which we are not 

 acquainted. But the Cyanocorax, for which the name C. ortoni is 

 suggested (Ann. L. N. Y. xi. p. 166), is, in our opinion, none other 

 than Cyanocorax mystacalis, Geoffr., of which name C. uroleucus, 

 Heine, J. f. Orn. 1860, p. 115, is a synonym. Sclater's collection 

 contains a skin of this species from Loxa in Ecuador, which agrees 

 in every respect with Mr. Lawrence's description of his supposed 

 new bird. The association of C. mystacalis with C. cayanus (by 

 Bonaparte and others) is a great error, as may be seen by reference 

 to the original types of the former now in the Paris Museum and 

 Philadelphia Academy, both of which we have inspected, or even to the 

 sufficiently accurate figure in the * Magasin de Zoologie.' Whether C. 

 bellus of Schlegel is really referable to G. mystacalis (as suggested. 

 Ibis, 1868, p. Ill) is perhaps not quite certain; for, as pointed 

 out by Mr. Lawrence, Schlegel describes the outer tail-feathers of 

 his C. bellus as having their bases blue. An examination of the 

 typical specimen will be necessary to decide this question ; but it 

 will, in our opinion, probably turn out to be the case that the asser- 

 tion made in the ' Ibis ' is correct. 



