PLATE XLV. 



GrLTPHiocERAS (s.-g. Beyrichoceras) truncatum, /. Phillips, sp. 



Fig. 1 a. Lateral view of the cast of a young individual. 1 b. Front view of the same, showing 

 sutures imperfectly. 1 c. Peripheral view of the same. Id. Suture-lines of the same (imperfect). 

 St. Doulagh's. Dublin Museum of Science and Art (No. 51a). (Page 165.) 



Fig. 2 a. Lateral view of a very compressed individual, showing very distinct lines of growth near 

 the periphery. (These are made to look too prominent and too broadly curved in the figure.) 2 b 

 Front view of the same. 2 c. Peripheral view of the same. Nantenan. Dublin Museum of Science 

 and Art (Geological Survey Collection). (Page 165.) 



Gltphioceeas (s.-g. Beyrichoceras) suBTRtrNCATUM, sp. nov. 



Fig. 3 a. Lateral view of the nearly perfect type specimen, showing the wavy lines of growth, and 

 a few obscure spiral lines. 3 6. Front view of the same, with suture-lines. c. Peripheral view of 

 the same. 3 d. Suture-lines of the same. Nantenan. Dublin Museum of Science and Art (Geological 

 Survey Collection— No. 4712). (Page 168.) 



Fig. 4 a. Lateral view of a young individual, showing the wavy lines of growth. The umbilicus is 

 represented in this figure too angular ; it is similar to that of 3 a. 4 6. Front view of the same. 4f. 

 Peripheral view, showing an imperfect constriction. Fanningtown. Dublin Museum of Science and 

 Art (Geological Survey Collection— No. 1141). (Page 168.) 



Glyphioceeas (s.-g. Beyrichoceras) occidentale, sp. nov. 



Fig. 5 a. Lateral view of the type specimen. 5 6. Peripheral view of the same. 5 c. Suture-lines 

 of the same. Fig. 6 a. Lateral view of a smaller individual, showing some faint lines of growth. 

 (The dark line in the lower part of the figure is only a fracture.) 6 6. Front view of the same. 

 Garrihies (Kerry). Dublin Museum of Science and Art (Geological Survey Collection — fig. 5 a, 

 No. 4169 ; fig. 6 a. No. 3786). (Page 170.) 



