Bulletin of the Museum of Comparative Zodlogy 
AT HARVARD COLLEGE. 
Vou. LVILM. . No. 10. 
OCEANOGRAPHY AND PLANKTON OF 
MASSACHUSETTS BAY AND ADJACENT WATERS, 
NOVEMBER, 1912-MAY, 1913. 
By Henry B. BIGELow. 
Wits OnE PLATE. 
_ [Published by Permission of H. M. Smirua, U. 8S. Fish Commissioner]. 
CAMBRIDGE, MASS., U. S. A.: 
PRINTED FOR THE MUSEUM. 
NOVEMBER, 1914. 
