Journal of Conchology, Vol. 15, No. 10, Sici'Tkmbek, 1918. Platr 



ETENUILINEATUM, 



14, 



15. 



IG. 



20. 



17. 



l\.J^- 



Ffarvulum. 



r^'SUFINUM JU\^. 



SCALE FOK ALL 6FECES 



_t MILLIMCTI^tS. 





Stelfox : Pisidia from the Grand Junction Canal. 



