320 
SELACim. 
Tho following species have also been named, but there appear to 
bo no examples in tho Collection : — 
(i.) Dorsal Fin-spines. 
Asteracanthus lepidus, A. Dollfuss, Eauno Kimm. Cap Do La Ileve 
(1863), p. 34, pi. ii. figs. 1-7. — Kimmeridgian ; Ca^jo Do 
La lleve. 
Asteracanthus minor, L. Agassiz, Poiss. Foss. vol. iii. (1837), 
p. 33, pi. viii. a. figs. 4—6. — Form, and loc. unknown. 
Asteracanthus semiverrurosvs, Sir P. Egorton, Figs, and Descrips. 
Brit. Org. Remains (Mem. Geol. Surv. 185.5), dec. viii. 
pi. iii. — Purbcckian ; Swanago, Dorset. 
Asteracanthus tetrastichodon, K. Fricko, Palicontogr. vol. xxii. 
(1875), p. 389, pi. xxii. fig. 2. — Upper Corallian ; Hanover. 
Asteracanthus vastensis, II. E. Sauvago, Bull. Soc. Gdol. France, 
[3] vol. viii. p. 454, jd. xiv. fig. 5.— U. Callovian; Bou- 
logne-sur-Mer. 
Tho so-called Asteracanthus siderius, J. Leidy (Proc. Acad. Nat. 
Sci. Philad. 1870, p. 13, and Rep. U. S. Geol. Surv. vol. i. pt. i. 
(18(3), p. 313, pi. xxxii. fig. 59), from the Sub-Carboniferous of 
Tennessee, certainly does not belong to this genus. 
(ii.) Teeth. 
atrophodvs heaugrandi, H. E. Sauvago, Catal. Poiss. Secondaires 
Boulonn.(Mcm. Soc. Acad. Boulogno-sur-Mcr, vol. ii. 1867), 
p. 52, pi iii. fig. 6. — Kimmeridgian ; Boulogne-sur-Mcr. 
Utrophodus corallinus : Curtodus coralUnus, H. E. Sauvago, op. 
eit. p. 53, pi. iii. fig. 8.— Corallian ; Boulogne-sur-ldcr. 
Strophodus hamii, II. E. Sauvago, op. cit. p. 52, pi. iii. figs. 4, 5 : 
Acrodus ekgans, II. E. Sauvago, ibid. p. 54, pi. iii. fig. 9.— 
Bathonian ; lilarquise, Boulonnais. 
Strophodus irreejidaris, L. Agassiz {ex Munster, MS.), torn. cit. 
(1838) p. 127, pi. xviii. fig. 26. — Lower Oolite; Bavaria. 
Strophodus longidens, L. Agassiz, tom. cit. p. 117, pi. xvi.— 
Bathonian ; Caen, Normandy. 
Strophodus nehrodensis, G. G. Gemmellaro, Studi Paleont. Fauna 
Calc, a Terebratida janitor N. Sicilia, pt. i. (1868-76), 
p. 10, pi. i. figs. 48-56.— Jurassic; N. Sicily. 
Strophodus normanianus, A. Dollfuss, Faune Kimm. Cap De La 
Hove (1863), p. 33, pi. i. figs. 3-16. — Kimmeridgian ; 
Capo Do La Hove. [11= Asteracanthus lejiidus, Dollfuss.] 
Strophodus persotuiii, F. A. Quenstedt, Der Jura (1858), p. 339, 
pi. xlvi. fig. 15. — Brown Jura (3; "Wurtemberg. 
