B.3. 21965. Cacti and scrubby 
forest. Las Palmas, Chaco, 
Argentina. 
July 19, 1920. 
B.5. 21967. Border of 
grove on open savanna. Las Palmas, 
Chaco, Argentina. 
July 19, 1920. 
B.S. 21968. A grass-thatched 
hut built of mud plastered on a 
frame of wood. Las Palmas, Chaco 
Argentina. 
July 19, 1920. 
