EXPLANATION OF PLATIv LXVll. 



CyprimERIA Kxc.wata (AForton ) P- 602 



1-2. A^icws of Uvo left \al\cs. 



3. View oi the liinge uf tlie right w'lhc. 

 4-6. Iiiteriiir ami exlerinr \ie«^ oi a left valve, and a plaster cast 

 taken frrmi the intericir of the same. 



Marslial/liri^'ii ildy-imirl; iicai- S'l^'Ctlcsboro. (//,"'■ 



Cyprimehia ckETAcea Conrad p. 604 



7-S. The internal east id a ri.ght \'al\e, an.d a plaster cast taken 

 freini the natural mould of the exterinr (.if tlie same. 

 U'uLiJbiiry clay. I.oriUai-J . [ [0^) . 



1016 



