56 



BIOLOGY OF THE SEAS OF THE U.S.S.R. 



Fig. 1 1 . Distribution of Mysis oculata (dots) and My sis re- 

 licta (rings). 



Fig. 12. Distribution of family Gadidae. Intensity of 



shading corresponds to number of species inhabiting a 



given area (Zenkevitch, 1933). 



