Memoirs of the Museum of Comparative Zodlogy 
AT HARVARD COLLEGE. 
VoL. XXXII. 
REPORTS ON AN EXPLORATION OFF THE WEST COASTS OF MEXICO, 
CENTRAL AND SOUTH AMERICA, AND OFF THE GALAPAGOS ISLANDS, 
IN CHARGE OF ALEXANDER AGASSIZ, BY THE U. S. FISH COMMISSION 
STEAMER ‘“ ALBATROSS,” DURING 1891, LIEUT. COMMANDER Z. L. 
TANNER, U. S. N., COMMANDING. 
b.2.e. GEE 
THE PANAMIC DEEP SEA ECHINI. 
By ALEXANDER AGASSIZ. 
ONE VOLUME TEXT, 
WITH ONE HUNDRED AND TWELVE PLATES, 
INCLUDING A CHART OF THE ROUTE, AND 319 FIGURES IN THE TEXT. 
LAL. 
> 4 . . . . 
[Published by Permission of Maxstaun McDonatp and Georcr M. Bowers, U. 8. Commissioners 
of Fish and Fisheries. ] 
CAMBRIDGE, U.S. A.: 
Printey for the fMuseum. 
1904. 
