The elasmobranch fishes (1934) The elasmobranch fishes elasmobranchfish03dani Year: 1934 THE ELASMOBRANCII FISHES 231 may take a coiii'sc more or less nearly ])arallel as in (Uirvharias and i\Ii/liobatis (fig. 212). In the greater nnmber of Elasniobranchs the brain is elongated so that in a dorsal view at least parts of all the five segments are visible. In a few, how- ever, the brain may appear as a more or less compact mass. As a normal thing

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