THE VOLCANO PUNTIAGUDO. 



On the Chilean side, to the north of the road from Lake Nahuel Huapi. The glaciers come 

 down lower on the western side, as the moist winds come from the west, and the rain becomes 

 less and less frequent as one goes eastward toward the Patagonian tableland. 



CERCAS ON THE LIMAY (RISING IN LAKE NAHUEL HUAPl), NEAR 

 THE CONFLUENCE OF THE TRAFUL. 



Here the Limay enters the sub-desert tableland. Last trees (cypresses) in the valley in the 

 foreground. Photograph by Bailey Willis- 



PLATE XIII. To face p. 142. 



