BRITISH RADIATA. 
11 
6. Pentacta Montagui. 
Holothuria Montagui, Flem. Brit Anim. 483; Leach, Brit. Mus. 
H. pentactes, var., Mont. Linn. Trans, ix. 112. t. 7- fig- 4 ; Forbes, 
Brit. Star f. 215. fig. 
a. Melton sands. G. Montague, Esq. Mus. Leach. 
b. IIol. decollata, Leach. S. Devon. G. Montague, Esq. 
Mus. Leach. 
/. Pentacta Neillii. 
Holothuria Neillii, Flem. Brit. Anim. 483. 
Hoi. pentactes, var. Forbes, Brit. Star f. 228. 
Hoi. Scotica, Leach, Brit. Mus. 
6 a. In spirits. Frith of Forth. P. Neill, Esq. Mus. Leach. 
8. Pentacta dissimilis. 
Holothuria dissimilis, Flem. Brit. Anim. 483. 
IIol. pentactes, var. Forbes, Brit. Starf. 228. 
Inhab. Leith, Coldstream. 
2. Thyronidium. 
Thyronidium, Duben and Koren, Zool. Bidr. 1844. 
Pentacta, sp. Jaeger ; Agassiz, Prod. Ann. Nat. Hist. 299. 
Daetylota, sp. Brandt. 
Cucumaria and Thyone, sp., Forbes, Brit. Starf. 
Holothuria, sp. Mont. ; Flem. Brit. Anim. 483. 
I. Thyronidium pellucidum. 
Holothuria pellucida, Vahl, Zool. Dan. t. 135 (“ bad,” Duben) ; 
Flem. Brit. Anim. 483 ; Forbes and Goodsir, Athenceum, n. 518. 
Pentacta pellucida, Jaeger ; Agassiz, Prod. Ann. Nat. Hist. i. 299. 
Daetylota pellucida, Brandt. 
Thyronidium pellucidum, Duben and Koren, Zool. Bidr. 303. 
1. 11. fig. 57- t. 4. figs. 15, 17- 
Cucumaria hyalina, Forbes, B. Starf. 221. fig. (“good,” Duben). 
Pentacta pentactes, Oersd. loc. cit. 74 (not Linnaeus). 
Inhab. Shetland, Fleming. 
2. Thyronidium Drummondi. 
Holothuria Drummondi, Thomp. Ann. Nat. Hist. 1840, v. 100. 
Cucumaria Drummondi, Forbes, B. Starf. 223. fig. 
Cucumaria communis, Forbes and Goodsir ; Forbes, Brit. Starf. 
217. fig. 
Thyronidium commune, Duben and Koren, Zool. Bidr. 305. t. 1 1 . 
fig. 51. t. 4. fiirs. 18-23. 
