Jour. As. Soc. Beng. Vol IX, 1913. Plate IV. 
We dal 
YA I, 
ZG iy xy Ys 
_~ Hil a\\ 
KK 
———4 
— 
ES 
ae Bagchi, del. Bemrose, Colle. Derby. 
SKELETON OF FRESHWATER SPONGES. 
