304 
BELACmi. 
28447. A nearly perfect similar spine, the exserted portion measuring 
0’08 in length, and exhibiting very prominent lines of 
growth. Cminimjton Coll. 
44847. More slender nearly perfect spine, of the same type, the 
exserted portion measuring 0'007 in length. 
Presented by Benjamin Bright, Esq., 1873. 
48375. Short small spine, probably of the same species. 
Purchased, 1877. 
P. 2170. A very typical spine of 11. strictus. Egerton Coll. 
P. 2835. Three nearly perfect similar spines, and one less complete. 
Enniskillen Coll. 
P. 2836. Basal half of a slightly larger specimen. 
Enniskillen Coll. 
P. 2837. Smaller imi)erfect spine, probably young. 
Enniskillen Coll. 
(b) Cephalic Spine. 
P. 2205. Exserted portion, and fragment of the base of a cephalic 
spine. Egerton Coll. 
Vll. Wkalden. (a) Dorsal Fin-sqnnes. 
2686, 2689. Tj'pe specimens of Uyhodus striatulus, Agassiz, I’oiss. 
Foss. vol. iii. (1837), p. 44, pi. viii. h. fig. 1, the largest 
described as the dorsal fin of a fish allied to Silurus, m 
Mantell’s Foss. Tilgute Forest (1827), p. 58, pi. x. fig. 4; 
Tilgato Forest, Sussex. Mantell Coll. 
2686 a, 2687, 2689 a, 2703, 2708. Five fragmentary spines, referable 
to Ilnbodus subcarinatus, Agassiz ’ ; Tilgato Forest. 
Mantell Coll. 
26036, 28418, 28421. Abraded nearly complete specimen, and two 
fragments of similar spines ; Tilgato Forest. 
Mantell CoH. 
P. 4992. Incomplete spine ; St. Leonards, Sussex. 
Presented by ,J. E. Lee, Esq., 1885. 
P. 4918. Two fragmentary similar spines ; Hastings. 
Dawson CoU. 
* PoisB. Foss. vol. iii. (1837), p. 40, pi. x. figs. 10-12. See also figure 
Trans. Geol. Soc. [2] vol. ii. (1829), pi. vi. fig. 9. 
