io8 



OUR COMMON BRITISH FOSSILS. 



star (Antedon or Comatula rosed). The latter may be 

 dredged up in immense quantities in the quieter parts 



Fig. go. Common Brittle-star (Ophiura granulata), showing affinities with Euryale 

 palmifera. : a, front view ; b, back view ; c and d, magnified portions of arms. 



of our sea-beds, but particularly in the Irish Sea, and 



