320 
SELACHII. 
The following species have also been named, but there appear to 
be no examples in the Collection :— 
(i.) Dorsal Fin-spines. 
Asteracanthus lepiclus, A. Dollfuss, Faune Kimm. Cap De La Heve 
(1863), p. 31, pi. ii. figs. 1-7.—Kimmeridgian; Cape De 
La Heve. 
Asteracanthus minor , L. Agassiz, Poiss. Foss. vol. iii. (1837), 
p. 33, pi. viii. a. figs. 4-6 .—Form, and loc. unknown. 
Asteracanthus semiverrucosus , Sir P. Egerton, Figs, and Descrips. 
Brit. Org. Bemains (Mem. Geol. Surv. 1855), dec. viii. 
pi. iii.—Purbeckian ; Swanage, Dorset. 
Asteracanthus tetrastichodon, K. Fricke, Palaeontogr. vol. xxii. 
(1875), p. 389, pi. xxii. fig. 2.—Upper Corallian; Hanover. 
Asteracanthus vastensis , H. E. Sauvage, Bull. Soc. Geol. France, 
[3] vol. viii. p. 454, pi. xiv. fig. 5.—U. Callovian; Bou- 
logne-sur-Mer. 
The so-called Asteracanthus siderius , J. Leidy (Proc. Acad. Hat. 
Sci. Philad. 1870, p. 13, and Bep. U. S. Geol. Surv. vol. i. pt. i. 
(1873), p. 313, pi. xxxii. fig. 59), from the Sub-Carboniferous of 
Tennessee, certainly does not belong to this genus. 
(ii.) Teeth. 
Strophodus beaugrandi , H. E. Sauvage, Catal. Poiss. Secondaires 
Boulonn.(Mem. Soc. Acad. Boulogne-sur-Mer, vol. ii. 1867), 
p. 52, pi iii. fig. 6.—Kimmeridgian; Boulogne-sur-Mer. 
Strophodus corallinus : Curtodus corallinus, H. E. Sauvage, op. 
cit. p. 53, pi. iii. fig. 8.—Corallian ; Boulogne-sur-Mer. 
Strophodus hamii , H. E. Sauvage, op. cit. p. 52, pi. iii. figs. 4, 5: 
Acrodus elegcins , H. E. Sauvage, ibid. p. 54, pi. iii. fig. 9.— 
Batbonian; Marquise, Boulonnais. 
Strophodus irregularis , L. Agassiz {ex Minister, MS.), tom. cit. 
(1838) p. 127, pb xviii. fig. 26.—Lower Oolite; Bavaria. 
Strophodus longidens, L. Agassiz, tom. cit. p. 117, pi. xvi.— 
Bathoniaij/; Caen, Kormandy. 
Strophodus nebroclensis, G. G. Gemmellaro, Studi Paleont. Fauna 
Calc, a Terebrcitida janitor K. Sicilia, pt. i. (1868—76), 
p. 10, pi. i. figs. 48-56.—Jurassic; N. Sicily. 
Strophodus normanianus , A. Dollfuss, Faune Kimm. Cap De La 
Heve (1863), p. 33, pi. i. figs. 3-16.'—Kimmeridgian; 
Cape De La Heve. [? = Asteracanthus lepiclus, Dollfuss.] 
Strophodus personati, F. A. Quenstedt, Der Jura (1858), p. 339, 
pi. xlvi. fig. 15.—Brown Jura /3; Wiirtemberg. 
