Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



Vol. XL VI. No. 13. 



REPORTS OX THE SCIENTIFIC RESULTS OF THE EXPEDITION TO THE 

 EASTERN TROP'^CAL PACIFIC, IN CHARGE OF ALEXANDER AGASSIZ, 

 BY THE U. S."t<"ISH COMMISSION STEAMER "ALBATROSS," FROM 

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

 U. S. N., COMMANDING. 



IV. 



O C T A C ^^ E M U S. 



By William E. Kitter. 



[Published by Permission of George M. Bowers, U. S. Fish Commissioner.] 



With Three Plates. 



CAMBRIDGE, MASS., U. S. A. : 



PRINTED FOR THE MUSEUM. 



January, 1906. 



