PLATE XXXIX. 



Peeicyclus ruNATUS, J. Sowerhy, sp. 



Fig. 1 a. Lateral view of a distorted but otherwise fine specimen, showing the 

 inner whorls which are only imperfectly preserved in the type specimen figured on 

 PL XXXVIII. 1 h. Peripheral view of the same. Cork. Trinity College, Dublin. 

 (Page 1.35.) 



Peeicyclus teapezoidalis, G. G. Grick. 



Fig. 2 a. Lateral view of the only individual known, showing the strong ribbing 

 with the numerous constrictions. 2 h. Peripheral view of the same. 2 c. Enlarge- 

 ment of a portion of the ornamentation, showing more clearly the longitudinal lines 

 crossing the ribs. 2 d. Suture-lines. Clane. Dublin Museum of Science and Art. 

 (Page 144.) 



