73 Mr. Sclater on a recently discovered Calliste. 



natis : tectricibns alarum minoribus extus omnino cferuleis, 

 interscapulio toto viridi, pilei plumis nigris cseruleo mar- 

 ginatis : subtus pallide viridescenti-cserulea^ ventre medio 

 albescente ; pectore nigro squamulato : rostro et pedibus 

 nigrisj mandibula ad basin plumbescente. Long, tota 5*7, 

 alse 3'4', caudse 2-3 poll. 

 Hab. Guatemala occidentalis in sylvis regionis " Costa Cuca " 

 dictffi. 



Mus. Berolinense. 



As regards tlie position of this bird in the genus Calliste, I 

 quite agree with the excellent remarks of Dr. Cabanis. Cal- 

 liste cabanisi is a fine large species nearly equalling C. bi'asi- 

 liensis in size, but, as regards colouring, more closely allied to 

 C. atricapilla than to any other species. Pending the receipt of 

 further examples, which may show us whether the sexes are 

 alike, and how far the present example differs from the normal 

 colouring of the adult, I should propose to locate it near C. 

 atricapilla and C. nigroviridis. 



Costa Cuca is a low-lying district on the Pacific coast of 

 Guatemala, below Quezaltenango, towards the frontiers of 

 Mexico. Mr. Salvin (who is as much delighted with the news 

 of a Guatemalan bird not in his collectioUj as I am with the dis- 

 covery of an additional species of Calliste not in mine) tells me 

 that he was aware of a small collection having been formed in 

 this district by Dr. Bernoulli, a Swiss physician resident at 

 Masatenango, and transmitted to Berlin. This specimen was, 

 no doubt, one of the series. The discovery of this bird is of 

 the greatest interest, as no species of Calliste was previously 

 known from the Pacific slope of Guatemala, although there is an 

 extensive wood-region along the coast in every respect adapted 

 to their habits. 



In the " Ibis " for 1863 (p. 480) I have given an account of 

 the species of the genus Calliste that have been discovered 

 since the completion of my Monograph. The present bird is 

 the first new addition tliat I have met with since that date. 

 But I may remark that I have now seen many skins of Calliste 

 frantzii of Costa Rica (/. c. p. 451), and am convinced that it is 

 not really different from Calliste icterocephala of Ecuador. 



