V-7 



Copyright, 1888, 

 By ALEXANDER AGASSIZ. 



AU rights reserved. 



[Published by permission of Carlile P Patterson and Julids E. IIilgabs, 

 Superintendents U. S. Coast and Geodetic Survey.] 



The Riverside Press, Cambridge: 

 Blectrotyped and Printed by H. O. Houghton & Co. 



