PLANKTON OP THE GULP OF MAINE 
11 
the winter of 1912-1913 (in Bigelow, 1914a, p. 411); Dr. Albert Mann, samples 
of diatoms at representative stations, listed below (p. 423); A. Pringle- Jameson, the 
Sagittse of 1912 and 1913 (in Bigelow, 1914, p. 121; 1914a; and 1915, p. 294); Dr. 
William Tattersall, the euphausiids of 1914 (in Bigelow, 1917, p. 281); Dr. C. B. 
Wilson, lists of the copepods for 1915, 1920, and 1921 (p. 297). Their friendly 
cooperation lends authority to the following pages 
