lemoirs of iht i^uscum of (iTompiu-utibc Soologu 



AT HARVARD COLLEGE. 



Vol. XXXVII. 



REPORTS ON THE SCIENTIFIC RESULTS OF THE EXPEDITION TO THE 

 EASTERN TROPICAL PACIFIC, IN CHARGE OF ALEXANDER AGASSIZ, 

 BY THE U. S. FISH COMMISSION STEAMER "ALBATROSS," FROM 

 OCTOBER, 1904, TO MARCH, 1905, LIEUT. COMMANDER L. M. GARRETT, 

 U. S. N., COMMANDING. 



XVI. 



THE MEDUSAE. 



By henry B. BIGELOW. 



WITH FORTY-EIGHT I'LATES. 



[Piiblislieil by permission of George M. Boweks, U. S. Ooinmissioner of Fish ami Fisheries.] 



CAMBRIDGE, U.S.A.: 



PrintrU for tijc fflusfum. 



February, 1909. 

 6. 



