ttmoirs of i\n ^uscum of Companitibe ^'odlogg 



AT HARVARD COLLEGE. 



Vol. XXVI. No. 5. 



REPORTS ON THE SCIENTIFIC RESULTS OF THE EXPEDITION TO THE 

 TROPICAL PACIFIC, IN CHARGE OF ALEXANDER AGASSIZ, IN THE 

 U. S. FISH COMMISSION STEAMER " ALBATROSS," FROM AUGUST, 

 1899, TO MARCH, 1900, COMMANDER JEFFERSON F. MOSER, U. S. N., 

 COMMANDING. 



VIII. 



THE PELAGIC Ttwiii?!:^^. 



By WILLIAM E. RITTER and EDITH S. BYXBEE. 



WITH TWO PI.ATES. 



[Published by permission of George M. Bowers, U. S. Commissioner o( Fish and Fisheries.] 



CAMBRIDGE, U. S. A. : 



^rintElJ for tijc Jlusnim. 

 August, 1905. 



