402
KOHMAN Y . ARAKAWA
and function of the stomach, mid-gut and rectum assume the principal
role in deciding the characteristic form and nature of the bivalve pellets.
LA..-.:
Fig. 19. Mid-gut of Anonzia Zischkei (cross-section).
n
Fig. 20. Mid-gut, of Pecten albicaras (cross-section).
KOHMAN Y . ARAKAWA
and function of the stomach, mid-gut and rectum assume the principal
role in deciding the characteristic form and nature of the bivalve pellets.
LA..-.:
Fig. 19. Mid-gut of Anonzia Zischkei (cross-section).
n
Fig. 20. Mid-gut, of Pecten albicaras (cross-section).