EXPLANATION OF PLATE XVI. 



Modiola undulata (Dunker). 



Fig. i. — Cluster of young shells on weed from off Barnikuda I., obtained in Septem- 

 ber, 1914. 



Modiola striatula, Hanley. 



Fig. 2. — Dead oyster-shell from Manikpatna, taken in December 1914, showing young 

 mussels settling round adults. 



Area granosa, Linn. 



Fig. 3. — Subfossil valve from Barkuda I., Chilka Lake. 

 ,, 4. — „ ,, ,, head of Rambha Bay, Chilka Lake. 



,,5. — ,, ,, ,, Manikpatna, Chilka Lake. 



,, 6. — Fresh valve from off Samal L, Chilka Lake. 



Solen ? fonesi, Dunker. 

 Fig. 7. — A specimen from the southern end of the Chilka Lake. 



Solen annandalei, Preston. 

 Fig. 8. — Type specimen. 



Solen kempi, Preston. 

 Fig. 9. — Type specimen. 



All the figures are natural size. 



