Annals N. Y. Acad. Sci. 



Volume XXII, Plate XI 



ODTLINE MAP OF SOUTH AMERICA 



Showing the trend lines about the Piano Alto and the hypothetical outlets of the East 

 Andean Sea. The "Pernambucan Fan" has been put in from notes and maps contributed 

 by R. Crandall. 



3— NT 



