CYSTIDEA. 43 



Echino-encrinus armatus, E. Forbes, Mem. Geol. Survey, li part ii 

 (1848), pi. xviii, p. .507. Wenlock Shale; Walsall and Malvern. 

 The description and figures of this species ai'e taken in part 

 from the specimens in the Museum. 



Echinosphaera davisi (McCoy). Carocystites davisi, F. McCoy, 

 Brit. Palaeoz. Foss. (18.5,5), pi. i D, f. 5, 5 a, [6 ? missing], p. 61. 

 Coniston Limestone ; Goniston. 



Lepadocrinus bifasciatus (Pearce). Pseudocnnites bifasciatus, 

 E. Forbes, Mem. Geol. Survey ii, part ii (1848), pi. 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. 



Ii. quadrifasciatus (Pearce). Pseudocrinites quadrifasciatus, 

 E. Forbes, Mem. Geol. Survey ii, part ii (1848), pi. xiii, p. 48. 

 Wenlock Limestone; Dudley. Fletcher Collection. See note 

 to the preceding species. 



Protocystis meneviensis, H. Hicks, Q. J. G. S. xxviii (1872), 

 pi. V, f 19, p. 180. Menevian Oroup ; Porth-y-rhaw, iSt 

 Davids. Presented by Dr H. Hicks, F.R.S. 



Prunocystis fletcheri, E. Forbes, Mem. Geol. Survey il, part ii 

 (1848), pi. xvi, f. 1 — 4, p. 503. Wenlock Limestmie; Dudley. 

 Fletcher Collection. 



Pseudocrinites bifasciatus, v. Lepadocrinus bifasciatus. 



P. quadrifasciatus, v. Lepadocrinus quadrifasciatus. 



BLASTOIDEA. 



Codonaster actdus, v. Codonaster trilobatus var. acutus. 



Codonaster trilobatus, [Cadaster, McCoy], F. McCoy, A. M. N. 

 H. ser. 2, ill (1849), p. 251, and Contrib. Brit. Pal. (1854), 

 p. 112, and Brit. Palaeoz. Foss. (1851), pi. iii D, f. 8, 8 a, p. 123. 

 Curbonifei'ous Limestone ; Derbyshire. Presented by W. Hop- 

 kins, Es(j. 



C. trilobatus, var. acutus, McCoy. G. acutus, F. McCoy, A. M 

 N. H. ser. 2, III (1849), p. 251, and Contrib. Brit. Pal. (1854) 



