582 Annals of the Carnegie Museum. 



dense, a truly magnificent lowland tropical forest, strictly Magdalenan 

 in character. North of the Ariguani the land is hilly and broken, not 

 with regular ranges of hills, but apparently becoming a haphazard 

 jumble of low hills and winding ravines, with a poor gravelly soil. 

 As seen from the plain at their base, the foothills and the whole south- 

 west flank of the Sierra Nevada are densely forested right up to tim- 

 ber-line." 



Carnegie Museum, 

 October 5, 1922. 



