3\**^^ 



Bulletin of the Museum of Co:aai>^x<ktpe Zoolofl[y 



AT HARVARD ^OLll^iliU'^ 

 Vol. LVIII. No. 2. 



EXPLORATIONS IN THE GULF OF MAINE, JULY AND 

 AUGUST, 1912, BY THE U. S. FISHERIES SCHOONER 

 GRAMPUS. OCEANOGRAPHY AND NOTES ON 

 THE PLANKTON. 



By Hexry B. Bigelow. 



With Nine Plates 



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



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



PRINTED FOR THE MUSEUM. 



Febru.uiy, 1914. 



