EXPI.AXATIOX OF PLATE XXXMII. 



CiERN'ii.i.iorsis KXSii'iiKMis (Cijiirai.1) p. 4-1 



1. A iKarl\- C'linijk-tc left \alvc. 



2. Internal a lew i:if a le^s coniiilctc vahe. 



Miu-shulltuZi'ii L'hiy-iiiari ; Il'oodbury. 



3. A icw of a large. nn|icrfcct internal ca-st. 



Marshall I m,-ii clay-marl.' : JVoodbiiryf 



Ixnc?:K\MfS i'Ri:iii:i,iMi. A Whitfield p, 428 



4. The type S]iecinien. 



\az'csiiih unirl; Ilr'hndcL 



IXOCERAMUS ? PEtjnVAI.lS Conrad. 



5. View of the right siile nf an internal cast. The type speci- 



men. ( .\fler Whnfielil. ) 



958 



