PLATE XXXV. 
PECTEN (continued). 
Fias. 
1—10.  P. (Chlamys) Robinaldinus, @Orb. Upper Greensand (except figs. 5, 6, 8). 
elise) 
1. Warminster. British Museum, No. 67734. a, left valve ; 6, antero-ventral part 
of the same x 4. 
bo 
Warminster. Woodwardian Museum. a, left valve; 6, antero-ventral part 
x 4; c, part near the umbo x 4. 
3. Ventnor. Wiltshire Collection. a, left valve; 6, posterior part x 4. 
4. Warminster. Museum of Practical Geology, No. 7418. a, right valve; 6, part 
just in front of the mid-ventral edge x 4; c, anterior part of left valve of 
same specimen x 4. 
5. Chloritic Marl, Maiden Bradley. Mr. J. Scanes’ Collection. ? Left valve ; 
antero-ventral part x 4. 
Same horizon, ete. Left valve; part at the antero-ventral margin x 4. 
Ventnor. Wiitshire Collection. Left valve; mid-ventral part x 4. 
Cenomanian (Bed 11), Beer Head. Meyer Collection. ? Left valve; antero- 
ventral part x 4. 
9. Warminster. Bristol Museum. Right valve; postero-ventral part x 4. 
10. Warminster. Museum of Practical Geology, No. 7407. Middle part of left 
valve x 4. 
COND 
11. P. (Chlamys) Stutehburianus, Sow. Greensand, Blackdown. The Type. 
Bristol Museum. Ventral part x 14. (P. 185.) 
12. P. (Aiquipecten) asper, Lam. Upper Greensand (Chert Beds), Baycliffe 
Quarry, Wiltshire. Mr. J. Scanes’ Collection. Left valve; part just 
in front of mid-ventral margin x 4. (P. 186.) 
