'rans.Roy. Soc. Edin. 



Vol. LI- Plate VIII. 



Ashworth and Ritchie: Dicoryne, 





C.C-- 

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Sp. 



End. 



ECT. 



Spz. 



Ex.C. 



9 





Sk\:--£CT. 



End. 



J HAshwortk and J Ritchie, del. 



M c Farlane ScErskine Lilh.Edm 



