PLATE XLI. 



Pholadomya {('0)1 tinued) . 

 Figs. 

 1. P. (ji(/autea (Sow.). Lower Greensand (Crackers), Atherfield. Sedgwick 

 Museum. Dorsal view of specimen figured on Plate XL. (P. 246.) 



2, 3. P. Gornneliana (d'Oi'b.). Lower Greensand (Crackers), Atherfield. Sedg- 

 wick Museum, Cambridge. 2 a, right valve ; b, dorsal view ; 'i, right 

 valve. (P. 245.) 



4. P. speetonensis, Woods. Speeton Clay, Speeton. Museum of Practical 

 Geology, No. 23020. a, left valve; h, dorsal view. (P. 248.) 



-5. P. Martini, Forbes. Lower Greensand (Crackers), Atherfield. Sedgwick 

 Museum. Right valve. (P. 249.) 



G. P. FahriiKi, d'Orb. Gault, Black Ven. Sedgwick Museum. Right valve, 

 compressed dorso-ventrally. (P. 250.) 



7—9. P. decmsata (Mant.). Chalk Marl. (P. 250.) 



7. Eastbourne. Sedgwick Museum. Right valve. 



8. Ventuor. Sedgwick Museum, Dorsal view. 



9. Veutuor. Sedgwick Museum. Anterior view. 



