Prof. E. Forbes on Fossil Invertebrata from Southern India. 173 



Plate XVI. 



Fig. 1 a, b. Area brahminica. 



2 a, b. Arcajapetica. 



3 a, b. Area Gamana. 



4 a. Area Clellandi, natural size : b. magnified. 



5 a, b. Anatina arcuata : c. young shell. 

 6. Mytilus pulcher. 



J. Mytilus eypris. 



8. Mytilus nitens. 



9. Mytilus flag ellifer, 



10. Pinna aval a. 



11. Avieula nitida. 



Plate XVII. 



Fig. I. Gastrochcsna semisulcata : a. with its tube: b. the valves detached from the tube. 

 2 a. Fistulana aspergilloides : b. section, 

 :^. Solecurtus obscurus. 



4 a, b. Panopcea orientalis. 



5 a, b. Pholadomya connectans. 



6 a, b. Poromya globulosa : c. magnified portion of its surface. 

 7 . Lucina jugosa. 



8 a. Lueina fallax '. b. young shell: c. cast. 



Plate XVIII. 



Fig. 1. Spondylus subsquamosus. 



2 a. Spondylus calcaratus: b. young shell, 



3. Plicatula multieostata. 



4. Plicatula septemcostata. 



5. Ostrea pes-leonis. 



6. Ostrea tegulanea. 



7. Artemis lenticularis. 



8. Cardium intersectum. 



9. Trigonia semiculta. 



10. Trigonia suborbicularis. 



11. Trigonia orientalis. 



12 a. Terebratula arabilis: b. profile of a young specimen. 



13 a. Lima obliquistriata: b. magnified portion of its surface. 



14 a. Corbula striatuloides, natural size : b. magnified. 

 15. Tellina pondicherriensis. 



VOL. VII. SECOND SERIES. 2 A 



