96 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 134 
colored female dress on February 1. One came each evening to sleep 
in a mango tree below my living quarters, calling briefly as it moved 
through the adjacent trees. While the nonobservant often confuse the 
brightly colored males with the crimson-backed tanager, and call it 
“Sangretoro,” those more familiar with the summer tanager recog- 
nize the male and female as being of the same species, and know it as 
the come-abejas from the constant habit of feeding at the nests of 
small wild bees. 
RAMPHOCELUS DIMIDIATUS Lafresnaye: Crimson-backed Tanager, 
Sangretoro Comin 
Ramphocelus dimidiatus LAFRESNAYE, Mag. Zool., vol. 7, cl. 2, 1837, pl. 81 and 
text. (Cartagena, Colombia.) 
This is another of the common birds on the island that came fre- 
quently into the trees and shrubbery around the habitations but was 
Fic. 14.—Crimson-backed Tanager, Sangretoro Comin. 
seen more usually in the lower woodlands back of the beaches and 
near the river mouths. I was interested to find them equally common 
in the high crown of the tall virgin forest inland. They may come 
out in the open to feed but at any alarm retreat to cover behind 
leaves and creepers. At the same time they have considerable curiosity 
and are easily called by squeaking. 
The differences that distinguish the birds of Coiba from those of 
other parts of the range of the species are outlined in the following 
description. 
