PLATE XXIV. 
Fig. 
1. Crassatella pumilio, 8S. Wood, p. 168. High Cliff. 
2,a—c. ,, Bronni? Merian, py. 163. Barton. 
3: 2 corbuloides, Edwards, p. 164, Stubbington. 
4,, * Bronnii? (var. egualis), p. 164. Barton. 
5. 5 »» > (var. dwmescens), p. 164. Stubbington. 
Gvanos tenuisulcata (var. Zineatissima), p.171. Bramshaw. 
Gls op Bartonensis, Edwards, y. 163. Barton. 
8. Astarte tenera? (var. Hampsteadiensis), p. 158. Hampstead. 
9. . rugata (var. filigera), p. 157. Id. 
10a. 6.,, donacina, J. Sowerby, p. 156. Old Basing. 
i, As a5 rugata (var. svbrugata), p.157. Alum Bay. 
12. Crassatella Grignonensis (var. planiuscula), p.167. Bracklesham. 
13,a—f. Astarte rugata, J. Sowerby. a—/. Sheppey. d. Potter’s Bar, py. 156. 
14, a—e. ,,  tenera, J. Sowerby, p. 156. Herne Bay. 
15. Crassatella Sowerbyi (var. semi-levis), p. 169. Bracklesham. 
16; 4,0. 2 (,, obesa), p. 169. Stubbington. 
17, a, 6. Astarte Clarendonensis, Edwards, py. 155. Clarendon. 
