EXPLANATION OF PLATE XV. 



Estuarine shells of the genus VUlorita. 



All the figures are natural size photographs of dry shells. 



V. cyprinoides (Gray), 



Fig. I. — Right valve of an adult specimen from the Trav- 

 ancore backwaters. 



,, 2.— Left valve of the same. 



,^ 3. — -Right valve of a half-grown specimen from Beypore 

 River, Malabar Coast. 



,, 4 — Left valve of the same. 



V. cyprinoides var. cochinensis (Hanley). 



Fig. 5. — Right valve of an adult shell from the Malabar 

 Coast. 



,, 6. — Left valve of the same. 



, 7. — Right valve of a half-grown specimen from the 

 Travancore backwaters. 



,j 8. — Left valve of the same. 



V. cyprinoides var. delicatula (Preston). 



Fig. 9. — Right valve of an adult shell from the Travancore 

 backwaters. 



„ 10. — Left valve of the same. 



V. cornucopia, Prashad. 

 Fig. II. — Right valve of the type-shell. 

 ,, 12. — -Left valve of the same. 

 ,, 13. — Right valve of the co-type. 

 14. — Left valve of the same. 

 (Both the above specimens are from the Travancore back- 

 waters ) 



