314 
SELAcnir. 
in Innwitudiniil series, becoming fused into short ribs near the 
apex. « 
Teeth unknown. 
Form, cj- Loc. rurbcok heds ; Swanage, Dorsetshire. 
23407. Nearly complete small spine, detached from matrix. 
Purchased, 1849. 
Purchased, 1800. 
Purchased, 1804. 
Purchased, 1 807. 
35571. Crushed si)inc, 0-3 in length. 
38496. Broader imperfect sjjino. 
40652. Smaller crushed spine. 
44829. Nearly complete spine, detached from matrix, the extremity 
abraded. Presented by Benjamin BrUjht, Esq., 18/3. 
P. 2209, P. 2209 a. Well-preserved large spine, and a less perfect 
smaller spine. Eyerton CoU. 
P. 2859. An imperfect large spine, and two smaller specimens, 
one much abraded. Ennislcillen CoU. 
Asteracanthus granulosus, Egerton. 
1855. Asteracanthus i/ranulusus, Sir V. Egerton, Figs. & Descripa. 
Brit. Organic, Remains (Mem. (ieol. Surv.), dec. viii. pi. i- 
1859. Asteracanthus yramdosns, I’ietet & Oampiclie, Foss. Terr. Cr5- 
. tac6 St. Croix, p. 08, pi. xii. lig. 11. 
Type. Dorsal fin-spine ; British Museum. 
Dorsal fin-spine very similar iu form and proportions to that ot 
A. verrucosus, but with the ornamental tubercles relatively smaller, 
rounder, and less closely arranged. 
Teeth unknown. 
Form. ^ fiOC. Wealden: Tilgate Forest, Sussex. L. Neocomian : 
Switzerland. 
P. 565. Tj’pe specimen. Eyerton Coll. 
2688, 2704. Two fragments of larger spines, the second figured by 
Egerton, loc. cit. pi. i. figs. 2, 3. Muntcll Coll. 
40166. Plaster cast of fragment described and figured by Pictet and 
Campiche, loc. cit . ; L. Neocomian, St. Croix. 
Presented by Alotis. Campiche, 1806- 
IT. Species founded upon detached teeth not yet correlated ivith the 
dorsa I Jin-spines. 
Strophodus magnus, Agassiz. 
1838. Strophodus magnus, L. Agassiz, Poiss. Fos.s. vol. iii. 1^*^> 
pi. xviii. figs. 11-15. 
