THE PARANA AT CORRIEXTES. 

 Banks and islands partially fixed by Vegetation. 



Photograph by Widmayer. 





■— ws 



llli: HAkl^AM .] Al I'AKAN.V (I-AMKi: KIos), LI-l'T lIAXK. 



It is composed of clays and of beds of conchiferous terrestrial limestcne, which have supplied 

 the Jime-kdns for more than a century. Fhotcgraph by Boote. 



Pl-ATE XXI. 



To lace p. 244. 



