372
N. BALAKRISHNAN NAIR AND AT. SARASWATIIY
FIG. 16. Bankia indica ( = B . carinata). (a) Transverse section through a part of the
digestive diverticula ; (b) Transverse section through a part of the specialized region
of the digestive diverticula.
diverticula (Yonge, 1926). Sigerfoos (1908), Lazier (1924) and Morton
(1970) described them while Potts (1923), Yonge (1926) and Morton
(1970) discussed their functions. Details of their distribution in