ECHINOIDEA. 31 



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

 p. 22. Cambridge Greensand; Cambridge. 



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, n (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, ii (1848), p. 417, and Contrib. Brit. Pal. (1854), p. 64. 

 Inferior Oolite ; Leckhampton. 



Collyrites ovalis (Leske). Disaster symmetricus, F. McCoy, 

 A. M. N. H. ser. 2, n (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, n 

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

 Greensand ; Cambridge. This specimen is missing. 



Gyphosoma? 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, n (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 (TetragrammaT) scriptum, H. G. 

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



Greensand ; Cambridge. 



Discoidea marginalis, v. Holectypus hemisphsericus. 



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

 (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. Collyrites ovalis. 



