ECHINOIDEA. 31 



Cidaris sedgwicki, H. G. Seeley, A. M. N. H. ser. 3, viii (1861), 

 p. 22. Camhndge Greensand; Camhridge. 



C. sp., W. Keeping, Foss. Upware and Brickhill (1883), pi. vii, f. 9, 

 pp.133 — 4. Lower Greensand ; Upware. 



Clypeus altus, F. McCoy, A. M. N. H. ser. 2, ii (1848), p. 417, 

 and Contrib. Brit. Pal. (1854), p. 65. Infenor Oolite; Br-id- 

 port. 



C. excentrictis, v. Clypeus sinuatus. 



C. sinuatus, Leske. C. excentricus, F. McCoy, A. M. N. H. 

 ser. 2, II (1848), p. 417, and Contrib. Brit. Pal. (1854), p. 64. 

 Inferior Oolite ; Leckhampton. 



CoUyrites ovalis (Leske). Dysaster symmetricus, F. McCoy, 

 A. M. N. H. ser. 2, ii (1848), p. 414, and Contrib. Brit. Pal. 

 (1854), p. 62. Inferior Oolite; Bridport. 



Cottaldia sp. Arhacia inflata, F. McCoy, A. M. N. H. ser. 2, II 

 (1848), p. 410, and Contrib. Brit. Pal. (1854), p. 58. Cambridge 

 Greensand ; Cambridge. This specimen is missing. 



Cyphosoma? impressa, v. Echinocyphus impressus. 



Diadema fungoideum, v. Pseudodiadema fungoideum. 



D. intertuberculatum, v. Pseudodiadema intertuberculatum. 



B. (Tetragamma ?) scriptum, v. Diplopodia scriptum. 



Diplopodia pentagona, F. McCoy, A. M. N. H. ser. 2, ii (1848), 

 p. 412, and Contrib. Brit. Pal. (1854), p. 60. T. Wright, Brit. 

 Foss. Echin. Oolit. (1855), pi. vi, f. 3 a, b, c, d, p. 115. Great 

 Oolite ; Minchinhampton. 



D. scriptum (Seeley). Diadema (Tetragrammal) scriptum, H. G. 

 Seeley, A. M. N. H. ser. 3, Vill (1861), p. 20. Cambridge 

 Greensand ; Cambridge. 



Discoidea marginalis, v. Holectj^jus hemisphsericus. 



Discoidea minima, Desor, F. McCoy, A. M. N. H. ser. 2, II 

 (1848), p. 420, and Contrib. Brit. Pal. (1854), p. 67. T. Wright, 

 Brit. Foss. Echin. Cret. I (1874), p. 210. Chalk; locality 

 doubtful. 



Dysaster symmetricus, v. CoUyrites ovalis. 



