PLATE XXV. 



Fig. 1. — Cardiomorpha Egertoni. The right valve of a specimen with only the 

 upper part of the shell left, showing the concentric lines seen on casts of the 

 interior, from Nanteenan, co. Limerick. In the Collection of the Geological Survey 

 of Ireland. (Page 274.) 



Fig. 1 a. — Cardiomorpha Egertoni. The left valve of the same specimen with 

 the shell preserved, showing the surface markings. 



Fig. 2. — Cardiomorpha Egertoni. The type specimen of M' Coy's Cardium 

 orbiculare, from the Carboniferous Limestone of Little Island, co. Cork. In the 

 Griffith Collection of the Museum of Science and Art, Dublin. (Page 274.) 



Fig. 3. — Cardiomorpha Egertoni. The cast of a complete specimen, showing 

 the adductor muscle-scars. From Nanteenan, co. Limerick. In the Collection of 

 the Geological Survey of Ireland. (Page 274.) 



Fig. 3 a. — Cardiomorpha Egertoni. The same specimen viewed from above. 



Fig. 4. — Cardiomorpha Egertoni. The type specimen of M' Coy's Cyprina 

 Egertoni. From Millicent, Clare. In the Griffith Collection in the Museum of 

 Science and Art, Dublin. (Page 274.) 



