FAMILY DENDROCOLAPTIDAE 



17 



of a palm {Euterpe sp.)." Similar action was repeated twice in early 

 April, and about April 18 incubation appeared to have begun. Dr. 

 Skutch in a morning of observation noted that periods of incubation 

 extended from 2 to 58 minutes, separated by recesses of 7 to 25 

 minutes when the bird was away. On leaving, the bird climbed 

 above the opening to the top of the trunk and then flew. On returning 



Figure 2. — Olivaceous woodcreeper, trepador aceitunado, Sittasoitius 

 griseicapillus. 



it alighted below and climbed to the entrance. Usually on return 

 the woodcreeper brought a small dead leaf or a leaf fragment to add 

 to the nest, which was wholly hidden in the cavity. There were no 

 further observations as some mishap appeared to have broken up the 

 nesting. Only one bird was seen at the site during the part of April 

 when he made his observations. 



As I have collected the form levis in western Chiriqui at Sereno 



