m 
' 5^77* The' Rauaal Guarinuma, 
Rio Atabapo, Amazonas, Vene- 
zuela. 
February 7> 195^ • 
- r — ~ 
-f-i , f i- 1 " % 
V 
, 5^76* At Cacagual, Vaupes, 
Colombia, on the Rio Atabapo . 
February 7* 19?4. 
