10 



BULLETIN op the bureau of fisheries 



It is a pleasure to acknowledge afresh the assistance rendered by the following 

 collaborators, who have undertaken the identification of different groups: W. F. 

 Clapp, the pelagic mollusks of the cruises of 1912 to 1916; Dr. S. F. Clarke, 



•367 



•347 



•366 



•366 



•348 



../ 



Fig. 5.— Locations of Grampus stations 10340 to 10357, July 19 to 20; station 10398, August 29; and stations 10399 to 10404, 



October 31 to November 8, 1916 



floating hydroids, spring of 1913 (in Bigelow, 1914a, p. 415); Dr. C. O. Esterly, 

 the copepods of 1912, 1913, and 1914 (in Bigelow, 1914, p. 115; 1914a, p. 409; 1915, 

 p. 287; and 1917, p. 290); Dr. C. McLean Fraser, floating hydroids, sum m er of 

 1913 (in Bigelow, 1915, p. 306); Dr. H. J. Hansen, the euphausiids of 1912 and of 



