PLATE XIII. 



Fia. Page. 



1. Eomesodon barnesi, A. S. Woodward; imperfect fish, nat. size, witli 



denticles of dorsal ridge-scales (la, lb) enlarged three times, and 

 ventral ridge-scales (1 c) with anterior anal fin-rays (<i.) enlarged 

 twice. — Middle Purbeck Beds ; Swanage, Dorset. Beckles Collection 

 (B. M. no. P. 6382). 57. 



2. Eomesodon depressus, sp. nov. ; imperfect fish, two-thirds nat. size, with 



a dorsal ridge-scale (2 a) enlarged twice, two flank-scales, outer view 

 (2b) and inner view (2c), three-halves nat. size. — Ibid. The type 

 specimen. British Museum, no. P. 10583. d., supports of dorsal fin; 

 orb., orbit. 57. 



3. Mesodon sp. ; left splenial dentition, oral view, twice nat. size. — Ibid. 



Enniskillen Collection (B. M. no. P. 3757). 58. 



4. Mesodon sp. ; left splenial dentition, oral view, twice nat. size, — Ibid. 



Museum of Practical Geology, London, no. 28355. 58. 



5. Goelodus arcuatus, sp. nov. ; vomerine dentition, oral view, twice nat. size. 



— Ibid. Museum of Practical Geology, London, no. 28353. 70. 



