RADIATED ANIMALS. 
CLASS I. ECHINODERMATA. 
With coriaceous or crustacecus skin and distinet 
intestinal cunal, 
ORDER 1. FREE. 
ECHINUS. 1. Escuntentus. Sea Urchin, 
Turton’s Tr. Syst. Nat. v. 4. p. 136. Conimon 
on submersed rocks, 
2. E. Supaneuxaris. Syst. Nat. v. 4. p. 188. 
With the former. 
3. E. Spataneus. Syst. Nat. v. 4. p. 158. 
Fleming’s Brit. Ani, p. 450. (SpaTaneus 
Corpatus.) Frequentiy met with on the sands, 
4, E. Pusituus.  Borlase’s Cornw. p. 278, 
t. 28. A minute species of frequent occurrence, 
HOLOTHURIA. 1. Puantarpus. Syst. Nat. 
v. 4. p. 109. Penn. Brit. Zool. 4. p. 48. t. 23. 
(Ascrp1a Rustica.) We once met with this 
species 1n Torbay. 
® H. Direrrata. Linn. Trans, 11. p. 22. t. 4. 
Coast of Devon.— Montagu, 
3. H. Penractes. (A _ var. of) Linn. Trans, 
9, p. 112. t. 7. Coast of Devon.— Montagu. 
