P. Z.S .1884 pi zxm 



18 a, 



19. 



19 V 



13 a. 



17V 



* 



16a. 



17a 



16, 



R.Mm.tenv.dd.etlith. .Minted Bros. mip. 



NEW TERRESTRIAL AND PT.TTVTATTT.F. MOLLUSCA 

 FROM THE "CHALLENGER" EXPEDITION. 



