BRITISH FOSSILS. 



8 



by a series of fine diverging rays rising in relief and radiating 

 outwards towards the posterior margin of each scale. A somewhat 

 similar ornament is seen in some species of Eugnathus, but no 

 instance has occurred of its presence in any species of Pachycormus. 

 Professor Agassiz gave no specific name to this specimen ; I there- 

 fore dedicate it to him in grateful remembrance of the last of the 

 many happy days it was my good fortune to enjoy in his society. 

 Locality. — Lias of Lyme Kegis, Dorset. 



Explanation of Plate. 



Fig, 1. Endaetis Agassizi, size of nature. 

 Figs. 2 and 3. Scales magnified, outer view. 



P. DE M, Grey Egerton". 



February 1857. 



