Bulletin of the Museum of Comparative Zoblogy 



AT HARVARD COLLEGE. 



Vol. LVIII. No. 10. 



OCEANOGRAPHY AND PLANKTON OF 



MASSACHUSETTS BAY AND ADJACENT WATERS, 



NOVEMBER, 1912 -MAY, 1913. 



By Henry B. Bigelow. 



With One Plate. 



[Published by Permission of H. M. Smith, U. S. Fish Commissioner]. 



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

 PRINTED FOR THE MUSEUM. 



No\'EMBER, 1914. 



