WooDwoRTH. — Geological Expedition to Brazil and Chile. 



PLATE 14. 



Section in the red residual clays of the campos bordering the valley of the 

 Iguassu at Lago, south of Ponta Grossa, Parana. In outward respects 

 similar to the terra roxa. Ant-hills shown on the surface. Page 112. 



