BRITISH RADIATA. 
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6 . Farrella. 
Lagenella, Farre, Phil. Trans. 1837 ; not Ehrenberg, 1832. 
Farrella, Ehrenberg , Ann. Sy Mag. Nat. Hist. vii. p. 303 ; Jolinst. 
Hist. Brit. Zooph. ed. 2. p. 380. 
Laguneula, Van Beneden, Mem. 5, 1845. 
Bowerbankia, sp. Johnst. Brit. Zooph. ed. 1. 256, 1838. 
1. Farrella repens. 
Farrella repens, Johnst. Hist. Brit. Zooph. ed. 2. p. 380. 
Lagenella repens, Farre, Phil. Trans. 1837, p. 403. pi. 24; W. 
Thompson, Ann. Nat. Hist. v. 252 ; Hassall, Ann. by Mag. 
Nat. Hist. vii. 364. 
Bowerbankia repens, Johnst. Brit. Zooph. 256. 
Laguneula repens, Van Beneden, Recherch. 25. pi. 1 & pi. 2 A. 
a. Dry, on paper, with Cellularia scuposa and C. ciliata. 
Ireland, W. Thompson, Esq. Presented by G. Johnston, 
M.D. 
Fam. 2. Cristatellid.®. 
Polvpes douteux (P. dubia), Blainv. Diet. Sci. Nat. 1830, lx. 
455. 
Polypiaria hippocrepia, P. Gervais, Ann. des Sc. Nat. vii. (1837), 
p. 77 (from Blainv.). 
Limniades, Johnst. Brit. Zooph. ed. 1. 248, 1838; Allman, Ann. 
Sy Mag. Nat. Hist. xiii. 
Polyzoa hippocrepia, J. E. Gray, Syn.Brit. Mus. (1842), p. 135 ; 
Johnst. Hist. Brit. Zooph. ed. 2. p. 386, 1847. 
Cristatellida:, Gray, Syn. Brit. Mtis. 1842, 135. 
Cristatellidae & Plumatellidse, Johnst. Brit. Zooph. ed. 2. 387-391, 
1847. 
1. Cristatella. 
Cristatella, Cuvier, Tab. Elem. 656, 1797 ; R. A. 1817 ; Oken, 
Lehrb. Nat. 54. 
Cristatella, Lamk. 1801, animal only, Lamk. 1818. 
1. Cristatella Mucedo. 
De kleine Vederbos-poly, met. bet. balvormig lyf, Rosel, Hist. 
der Insect, iii. ; Polyp. 517- pi. 91. 
Cristatella Mucedo, Cuv. Tab. Elem. 656 (1797); Rig. Anim. iii. 
296 ; Gervais, Ann. des Sc. Nat. Part. Zool. vii. 77, n. s. ; 
Turpin, ibid. vii. 65. pi. 2, 3. figs. 1-7 ; Allman, Athenaeum, 
Sept. 1846, p. 1005; Johnst. Hist. Brit. Zooph. ed. 2. p. 387- 
fig. 72. 
C. stagnorum, Lamk. Syn. 385 (animal, not sponge). 
Cristatella Centrifuga, Oken, Lehrb. Nat. 54. 
e 2 
