PLATE XLI. 



Peeicyclus Clanensis, G. C. Grid-. 



Fig'. 1 a. Lateral view of the type and. only specimen, showing fragments of the 

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

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

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



Pericyclus tltcatflis, L. G. (h- Koninck, sp. 



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

 same. 2 c. 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 d. Suture-line 

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

 Kilmacat, county of Limerick. Dublin Museum of Science and Art (Geological 

 Survey Collection). (Page 150.) 



