PI. 47. 



A/fvAtz^- u^yi 



Fi^.let2. Spondylus Br'unneri._ Fiô. S.PlicaluIa padiola. 

 Fifi. 4.P.ôur6iti.s._Fi6 . .5.P. Slpiôilis . _ Fiô. 6 . Ostrea ardiiennensi.s . 



