BRITISH RADIATA. 
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1. Echinus. 
Echinus, Lamk. 1801; Gray, Ann. Phil. x. 1825; Agassiz, 
Prod. Ann. Nat. Hist. i. 307 ; Blainv. Diet. Sci. Nat. lx. 207 ; 
Fleming, B.A. 478. 
Echinus, sp. Linn. ; Lamk. 1816. 
Echinus a, Flem. Brit. Anim. 478 ; Duben and Koren, Z. B. 264. 
1. Echinus Flemingii. 
Echinus Flemingii, Ball; Forbes, Brit. Starf. 164. fig. (dry); 
Agassiz, l. c. 11V; Duben and Koren, Zool. Bidrag. 267. t. 9. 
f. 31, 32 (alive). 
E. miliaris, Flem. B. A. 478; Wern. Mem. ii. 246; not Gmelin. 
a, b. Adult. Falmouth. W. P. Cocks, Esq. 
2. Echinus esculentus. 
E. marinus, List. An. ii. 169. t. 3. fig. 18 ; Borlase, Cornw. 278. 
t. 28. fig. 27. 
Echinus esculentus, Linn. Mus. L. U. 705 ; F. Suec. and S. N . ; 
Pennant, Brit. Zool. iv. 67- fig. 74; Flem. B. A. 478; Duben 
and Koren, K. Vet. Akad. Hand. 1844, 264 ; Lamk. Syst. (1801) 
346. 
E. sphicra, Muller, Prod. 235; Gmelin, 3169 ; Forbes, Brit. St. 
149. 
“ E. globiformis, Lamk. Hist. ii. 44 ; ” fide Agassiz. 
“ E. aurantiacus, Blainv. 1” fide Agassiz. 
E. melo, Lamk. Hist. ii. 44. 
a. Frith of Forth. Presented by E. Forbes, Esq. 
b, c, d. Frith of Forth. Presented bv W. E. Leach, M.D. 
e. Falmouth. Presented by W. P. Cocks, Esq. 
/, g, h. Series of half-grown and young. Frith of Forth. 
i,j,k. Series of young. Whiting Bay, Isle of Arrau. Rev. 
D. Landsborough. 
I, m, n. With the spines. Ilfracombe. Presented by J. E. 
Gray, Esq. 
3. Echinus miliaris. 
Cidaris miliaris saxatilis, Leske, 82. t. 2. figs, a, b, c, d. t. 38. 
figs. 2, 3; cop. E. M. t. 133. figs. 1,2. a, b. 
Echinus miliaris, Gmelin, S. N. ; Lamk. H. ii. 49, ed. 2. iii. 367 ; 
Blainv. Man. Act. 227 ; Forbes, Brit. Starf. 161. fig. 
E. saxatilis, Muller, Prod. n. 2847. 
a. Adult. Isle of Man. Presented by E. Forbes, Esq. 
b, c,d. Young. Isle of Man. Presented by E. Forbes, Esq.. 
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