10 Goldman — A New Weasel from Costa Rica. 



acters between tropicalis and perdus of southern Mexico and affinis as 

 represented by specimens from various localities from Panama southward 

 and including a series of 10 from Merida, Venezuela, identified by Mr. 

 Oldfield Thomas and assumed to be typical. It is like affinis in color, but 

 in the elongation of the braincase and form of audital bullae seems to show 

 gradation toward the bridled weasels of Mexico. 



Specimens examined. — Total number. -5, from Costa Rica, as follows : 

 San Jose (type locality), 1 ; Navarro, 1 ; without definite localities, 3. 



