Bulletin of the Museum of Comparative Zoólogy 
AT HARVARD COLLEGE. 
Vor. XLIII. No. 2. 
REPORTS ON THE DREDGING OPERATIONS OFF THE WEST COAST OF 
CENTRAL AMERICA TO THE GALAPAGOS, TO THE WEST COAST 
OF MEXICO, AND IN THE GULF OF CALIFORNIA, IN CHARGE OF 
ALEXANDER AGASSIZ, CARRIED ON BY THE U. S. FISH COMMIS- 
SION STEAMER “ALBATROSS,” DURING 1891, LIEUT. COMMANDER 
Z. L. TANNER, U. 8. N., COMMANDING. 
XXXIII. 
STEIN-UND HYDRO-KORALLEN. 
Von Emit von MARENZELLER. 
[Published by Permission of MARSHALL MoDoNALD and GEORGE M. BOWERS, 
U. S. Fish Commissioners. | 
Wıru THREE PLATES. 
CAMBRIDGE, MASS, U.S. A.: 
PRINTED FOR THE MUSEUM. 
Avavsr, 1904. 
