PLATE XLV. 



Glyphioceras (s.-g. Beyrichoceras) truncatum, J. 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. 51 a). (Page 165.) 



Tig. 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. 

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

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



Glyphioceras (s.-g. Beyrichoceras) subtruncatum, 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 b. 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 b. Front view of the same. 4 c. 

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

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



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



Fig. 5 a. Lateral view of the type specimen. 5 b. 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 b. Front view of the same. 

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

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



