64 



only, and that in Tabasco, one of the most southern states of the 

 confederacy. M. Salle's large collection, formed a few degrees to the 

 north of this, did not contain a single individual of the genus. Such 

 being the case, it would be obviously wrong to continue to employ for 

 this species (which is not the Mexican one) the appellation mexi- 

 cana, and I therefore follow several recent authorities in using for it 

 the second-given name fiaviventris. Although Linnseus called it 

 mexicana (apparently confounding it with some bird called by Her- 

 nandez by the iueuphonious name Touauhtolotl !), Buffon and Brisson 

 were well aware that it is really an inhabitant of Cayenne and Guiana, 

 where the Creoles are said to have bestowed upon it the peculiar 

 appellation of " Le diahle enrhume,'^ but for what reason we are not 

 informed. Schomburgk says it is one of the commonest birds in 

 British Guiana, and resorts particularly to the Cecropia trees, like 

 Calliste cayana. The Warraus call it Mohebera. It seems to 

 extend pretty far into the interior, for Mr. Wallace transmitted spe- 

 cimens to Europe from the Upper Rio Negro. 



The Turquoise Tanager of Cayenne is distinguishable at once from 

 that of Brazil by its inferior size and by the yellowish tinge on the 

 belly. To the next following bird, Calliste vieilloti, as hereafter 

 shown, it is certainly very closely allied, and many Ornithologists 

 would be inclined to consider these two birds merely as local races of 

 the same species. 



