Annals N. Y. Acad. Sci. 



Volume XXII, Plate VIII 



V\sx^>\/^ ; ^ 



•;\V i 







f^l /r* , "~ N '* , \__ 



/*$}. J 











\"- •*.- 1 











V<L 















♦A / 



&p 



S^~^ 



KNOWN MARINE DEPOSITS OF TRIASSIC AND JURASSIC AGE IN SOUTH AMERICA 



