PLATE XXXVII. 



Brancoceeas urnatissijium, L. G. (h Kouincl; sp. 



Fig. 1 a. Lateral view of the type specimen, showing the closed umbilicus. 

 1 b. Front view of the same, showing the surface of a septum with the cavities 

 between the lobes. 1 c. Suture-line. Glenbane East. Dublin Museum of Science 

 and Art (Geological Survey Collection). (Page 132.) 



Pericyclus fasciculatus, F. M'Coy, sp. 



Fig. 2 a. Front view of an undistorted specimen. 2 b. Lateral view of the 

 same. Clane. British Museum. (Page 13.5.) 



Fig. 3 a. Lateral view of a somewhat distorted specimen. 3 b. Peripheral view 

 of the same. Midleton. Mr. Joseph Wright's Collection. (Page 137.) 



Fig. 4 a. Lateral view of a young individual. 4 b. Peripheral view of the same. 

 Glenbane East. Dublin Museum of Science and Art (Geological Survey Collection). 

 (Page 135.) 



Fig. 5 ((. Lateral view of the type specimen of " Goniatites " faxclctdatiis, 

 M'Coy. 5 h. Peripheral view of the same. 5 c. Enlargement of a portion of the 

 ornamentation to show more clearly the fasciculate charactei- of the ribbing. 

 Millicent, Clane. Dublin Museum of Science and Art ("Griffith Collection"). 

 (Page 137.) 



Fig. 6. Suture-lines of a small specimen where the diameter of the shell is about 

 30 mm. (A figure of the suture-line of a specimen nearly the same size as the 

 above will be found in the 'Cat. Foss. Ceph., Brit. Mus.,' pt. iii, 1897, p. 150, 

 fig. 71 c.) Glenbane. Dublin Museum of Science and Art. (Page 13G.) 



Pericyclus jruhTH'Os'i'ATrs, sp. nov. 



Fig. 7 a. Lateral view of a somewhat distorted specimen, the umbilical cavity 

 of which is filled with the matrix. 7 b. Peripheral view of the same. 7 c. Suture- 

 lines of the same. Midleton. Mr. Joseph Wright's Collection. (Page 139.) 



Pericyclus Doohylensis, A. H. Foord ami G. C. Crick. 



Fig. 8 a. Lateral view of a specimen of the compressed form of the species. 

 8 b. Peripheral view of the same. 8 c. Suture-line, taken from fig. 72 <■ of ' Cat. 

 Foss. Ceph., Brit. Mus.,' pt. iii, 1897, p. 151. Dooliyle. British Museum. 

 (Page 138.) 



