ECHINOIDEA. Ball 
Cidaris sedgwicki, H. G. Seeley, A. M. N. H. ser, 3, vit (1861), 
p. 22. Cambridge Greensand ; Cambridge. 
C. sp., W. Keeping, Foss. Upware and Brickhill (1883), pl. vii, f. 9, 
pp. 133—4. Lower Greensand ; Upware. 
Clypeus altus, F. McCoy, A. M.N. H. ser. 2, 1 (1848), p. 417, 
and Contrib. Brit. Pal. (1854), p. 65. Inferior Oolite ; Brid- 
port. 
C. excentricus, v. Clypeus sinuatus. 
C. sinuatus, Leske. C. excentricus, F. McCoy, A. M. N. H. 
ser. 2, 11 (1848), p. 417, and Contrib. Brit. Pal. (1854), p. 64. 
Inferior Oolite ; Leckhampton. 
Collyrites ovalis (Leske). Dysaster symmetricus, F. McCoy, 
A. M. N. H. ser. 2, 11 (1848), p. 414, and Contrib. Brit. Pal. 
(1854), p. 62. Inferior Oolite ; Bridport. 
Cottaldia sp. Arbacia inflata, F. McCoy, A. M. N. H. ser. 2, 0 
(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. 
D. (Tetragamma ?) scriptum, v. Diplopodia scriptum. 
Diplopodia pentagona, F. McCoy, A. M. N. H. ser. 2, 1 (1848), 
p- 412, and Contrib. Brit. Pal. (1854), p. 60. T. Wright, Brit. 
Foss. Echin. Oolit. (1855), pl. vi, f. 3 a, b, c,d, p.115. Great 
Oolite ; Minchinhampton. 
D. scriptum (Seeley). Diadema (Tetragramma?) scriptum, H. G. 
Seeley, A. M. N. H. ser. 3, vit (1861), p. 20. Cambridge 
Greensand ; Cambridge. 
Discoidea marginalis, v. Holectypus hemisphericus. 
Discoidea minima, Desor, F. McCoy, A. M. N. H. ser. 2, 11 
(1848), p. 420, and Contrib. Brit. Pal. (1854), p. 67. T. Wright, 
Brit. Foss. Echin. Cret. 1 (1874), p. 210. Chalk; locality 
doubtful. 
Dysaster symmetricus, v. Collyrites ovalis, 
