PLATE XLI. 



Pkricyolus Clanensis, G. C. Grid: 



Fig. 1 a. Latei'al v\ew of the type and only specimen, showing fragments of the 

 test. [The lithographer has represented the edge of the inner whorl too angular.] 

 1 h. Front view of the same. 1 c. Suture-line of the same. (The lateral lobe is 

 not pointed enough.) Clane. Dulilin Museum of Science and Art. (Page 151.) 



Perk'Yci.ds PLicATrr.is, L. G. dr Kouinck, sp. 



Fig. 2 ((. Front view of the distorted type specimen. 2 b. Lateral view of the 

 same. 2 r. Front view, showing the greater part of a septum exposed by the 

 removal of part of the shell. From a drawing by the author. 2 (/. Suture-line 

 taken from 2 c, now covered again by the replacement of the detached portion. 

 Kilmacat, county of Limei-ick. Dublin IMuseum of Science and Art (Geological 

 Survey Collection). (Page I-'jO.) 



