having the breast red instead of yellow. This difference, however, is very apparent, as may readily be seen by reference to the drawings of the two species. ated, this species is found in Costa Rica, the original specimens having been obtained at | i | As already st Since that time numerous examples have been forwarded to us by our a place called San Mateo. collector Enrique Arce, who obtained them at San Miguel de Bugaba on the slopes of the Volcano of Chiriqui; and, more recently still, he has procured others in the forests nearer to Panama. On the railway-line itself, however, it has not yet been met with, its place being apparently taken by the orange- breasted 7. chionurus. Nothing has as yet transpired as to its habits and economy. The figures are life-size.