Bul. 908, U. S. Dept. of Agriculture. PLATE X. 
Fic. |.—COPEPOD—CALANUS FINMARCHICUS (MAGNIFIED 26 TIMES). 
FiG. 2.—COPEPOD—TEMORA LONGICORNIS (MAGNIFIED 26 TIMES). 
FIG. 3.—AMPHIPOD—ENTHEMISTO COMPRESSA (MAGNIFIED 3 TIMES). 
THE MORE COMMON FORMS OF FEED OF THE SEA HERRING. 
(Photomicrographs by E. A. Read, Microchemical Laboratory, Bureau of Chemistry.) 
