PAL^ONTOGRAPHICAL SOCIETY. I9!9 



Harmer, Crag Mollusca. 



PLATE Lin 



B 



PI 



10 



20 





i 



12 



13 



I 



14 





26 27 



28 



29 



30 



31 



32 



3 3 34 



35 



36 



xJ. Green, del. 



London Stereoscopic Co. Imp. 



