CYSTIDEA. 45 
Echino-encrinus armatus, EK. Forbes, Mem. Geol. Survey, I part i 
(1848), pl. xvii, p. 507. Wenlock Shale; Walsall and Malvern. 
The description and figures of this species are taken im part 
from the specimens in the Museum. 
Echinosphera davisi (McCoy). Carocystites davisi, F. McCoy, 
Brit. Palzeoz. Foss. (1855), pl. 1D, f. 5, 5 a, [6 ? missing], p. 61. 
Coniston Limestone ; Coniston. 
Lepadocrinus bifasciatus (Pearce). Pseudocrinites bifasciatus, 
K. Forbes, Mem. Geol. Survey 1, part 11 (1848), pl. xi, p. 496. 
Wenlock Limestone; Dudley. Fletcher Collection. The de- 
scriptions and figures given by Forbes of this and the next 
species, are taken in part from the specimens in the Museum. 
L. quadrifasciatus (Pearce).  Pseudocrinites quadrifasciatus, 
K. Forbes, Mem. Geol. Survey 1, part i (1848), pl. xiv, p. 48. 
Wenlock Limestone; Dudley. Fletcher Collection. See note 
to the preceding species. 
Protocystis meneviensis, H. Hicks, Q. J. G. S. xxvirt (1872), 
pl. v, f 19, p. 180. Menevian Group; Porth-y-rhaw, St 
Davids. Presented by Dr H. Hicks, F.R.S. 
Prunocystis fletcheri, HK. Forbes, Mem. Geol. Survey I, part 1 
(1848), pl. xvi, f. 1—4, p. 503. Wenlock Limestone; Dudley. 
Fletcher Collection. 
Pseudocrinites bifasciatus, v. Lepadocrinus bifasciatus. 
P. quadrifasciatus, vy. Lepadocrinus quadrifasciatus. 
BLASTOIDEA. 
Codonaster acutus, v. Codonaster trilobatus var. acutus. 
Codonaster trilobatus, [Codaster, McCoy], F. McCoy, A. M. N. 
H. ser. 2, 11 (1849), p. 251, and Contrib. Brit. Pal. (1854), 
p. 112, and Brit. Palzoz. Foss. (1851), pl. iii D, f. 8, 8 a, p. 123. 
Carboniferous Limestone ; Derbyshire. Presented by W. Hop- 
kins, Esq. 
C. trilobatus, var. acutus, McCoy. C. acutus, F. McCoy, A. M 
N. H. ser. 2, 1 (1849), p. 251, and Contrib. Brit. Pal. (1854) 
