BRITISH RADIATA. 
21 
Fam. 3. Pentacerotid^. 
Pentacerotidse, Gray, Ann. and Mag. Nat. Hist. 1840, 276. 
Goniaster, Agassiz, Prod. Ann. Nat. Hist. i. 441. 
1. Hippasteria. 
Hippasteria, Gray, Ann. and Mag. Nat. Hist. 1840, 279. 
A^sterogonium, sp. Muller and TroscJiel, Ast. 52, 1841. 
Pentaceros, sp. Linch. 
Scutasteries or Platasteries, part., Blainv. Diet. Sci. Nat. lx. 219. 
Goniaster, sp. Agassiz, Prod. Ann. Nat. Hist. i. 441. 
1. Hippasteria equestris. 
Pentaceros planus. Link, 21. t. 22. fig. 21. t. 33. fig. 53. 
Hippasteria plana. Gray, Ann. Nat. Hist. 1840, 279. 
Asterias equestris, Gmelin, S. N.l ; Sow. Brit. Misc. 8. t. 43, 
good (not Muller ) ; Lam. H. ii. 555, 2nd edit. iii. 242 ? ; Fle- 
ming, Brit. Anim. 485; Jameson, Wern. Mem. i. 559. 
Goniaster equestris, Agassiz, Prod. Ann. Nat. Hist. i. 441 ; 
Forbes, Brit. Star/. 125. figs. 125, 127. 
A^sterogonium phrygianum. Mull, and Trosch. Ast. 52. 
Hippasteria europaea. Gray, Ann. Nat. Hist. 1840, 279. 
A. Johnstonii, Gray; Johnst. Mag. Nat. Hist. iv. 146. fig. 21 
(not Chiaje) ; ? Lam. Hist. 2nd edit. iii. 257. 
H. Johnstonii, Gray, Ann. Nat. Hist. 1840, 279. 
Astrogonium phrygianum, Muller and Trosch. Ast. 52; Duhen 
and Koren, Zool. Bidrag. 246. 
a. Four-rayed. H. Johnstonii,” Gray. North of England. 
Presented hy G. Johnston, M.D. 
2. Hippasteria ahhensis. 
Goniaster ahhensis, Forbes, Ann. and Mag. Nat. Hist. xi. 280. t. 
a. St. Abb’s Head. Presented hy Edward Forbes, Esq. 
Fam. 4. Asterinid^. 
Asterinidae, Gray, Syn. Brit. Mus. 1840, 62; Ann. and Mag. 
Nat. Hist. 1840, 288. 
1. Palmipes. 
Palmipes, Linck; Gray, Ann. and Mag. Nat. Hist. 1840, 288 ; 
Agassiz, Prod. Ann. Nat. Hist. i. 442; Forbes, Wern. Mem. 
viii. 118. 
Asteriscus, sp. Muller and Troschel, Ast. 39. 
Vnseropoda, Nardo, Isis 1834. 
^^almasteries, Blainv. Diet. Sc. Nat. lx. 218. 
