PLATE XXVIII. 
Fig. 
1. Platysomus striatus, dgassiz. Young individual : a, scales magnified ; 4, impressions 
of ditto. Marl-slate, Thrislngton Gap. Museum of 
the Yorkshire Philosophical Society. 
2. Celacanthus granulosus, 4gassiz. Young individual. Cabinets of the Harl of 
Enniskillen, and Sir Philp de Malpas Grey Egerton, 
Bart., M.P. 
