PAL/EONTOGRAPH ICAL SOCIETY. 1913. 



H^armer, Crag Mollusca. 



PL^TE V 



10 



11 



12 



le 



17 



l§ 



20 



21 



22 



28 



23 



tJ. Green , del. 



London Stereoscopic Co. Imfj 



