BRITISH RADIATA. 
7 
Amphidetus ovatus, Agassiz \ Duhen and Koren, Zool. Bidrag. 
283. 1. 10. fig. 50 ; Agassiz and Desor, Ann. Sc. Nat. 1847, 12. 
Spatangus flavescens, Muller, Prod. 235, Zool. Dan. i. 1.9, 20, 
(not Abildg. Zool. Dan.); Sars, Besk. 40, 46. 
Amphidotus roseus, Forbes, Brit. Starf. 194. fig. 194, 196. 
Amphidetus ovatus, var. minor, Agassiz and Desor, Ann. Sc. Nat. 
1847, 12; Seba, iii. t. 15. figs. 27, 29; cop. E. M. t. 159. 
figs. 5, 6. 
a, b. Dry. Coast of Northumberland. Presented by A. G. 
Melville, M.D. 
3. Brissiopsis. 
Brissiopsis, Agassiz ; Agassiz and Desor, Ann. Sc. Nat. 1847, 14. 
Brissus, sp. E. Forbes, Brit. Starf. 187. 
Tripylus, sp. Philippi, Erichs. Arch. 1846. 
1. Brissiopsis lyrifera. 
Brissus lyrifer, Forbes, Brit. Starf. 187. fig. 187 ; Duben and 
Koren, Zool. Bidrag. 280. t. 10. fig. 46. 
Brissiopsis lyrifera, Agassiz and Desor, Ann. Sc. Nat. 1847, 13. 
a. Adult. Rothsay Bay, Isle of Man. Presented by Ed- 
ward Forbes, Esq. 
b. Inspirits. Shetland. Presentedby A. G. Melville, M.D. 
Order II. HOLOTHUEIDA. 
Fistulides,L«m^. Syst. 345, 351 ; Agassiz, Prod. Ann. Nat. Hist. i. 
297. 
Fistulida, Macleay, Horce Ent. ii. 116; Gray, Ann. Phil. 182. 
Fistulidse, Fleming, Brit-. Anim. 483, 1828. 
Cirrbi-Vermigrada, Forbes, Brit. Starf. 15, 1841. 
Ascidiastella, Austen, Ann. and Mag. N. H. x. 108, 1842. 
Fam. 1. Holothurid^. 
Holothuridse, Gray, Syn. Brit. Mus. 1842, 118. 
1. Thyone. 
Tbyone, Oken, Lehrb. Nat. 1815 ; Agassiz, Prod. Ann. Nat. 
Hist. i. 298. 
Mulleria, sp. Fleming, Brit. Anim. 1828 (not nor Agassiz). 
Pbyllopborus, Grube. 
1. Thyone fusus. 
Holothuria fusus, Muller, Zool. Dan. t, 10. figs. 5, 6 (not 
Chiaje). 
Synapta? fusus, Jaeger. 
