Chieocentkid^. 
115 
Env. Sainte-Croix (1858), p. 52, pi. vii. fig. 4. Proto- 
sphyrcena albensis^ H. E. Saiivage, Hull. Soc. Sci. Nat. 
Yonne, vol. xxxiii. pt. ii. (18^79), p. 51.—Aptian ; Sainte 
Croix (Switzerland) and Yonne (France). 
Saurocephalus ? dispar, E. Hebert, Hem. Soc. Geol. France, ["2] 
vol. V. (1855), p. 352, pi. xxvii. fig. 5 ; H. B., Geinitz, 
Palseontogr. vol. xx. pt. ii.. (1875), p. 225, pi. xliii. 
fig. 11.—Senonian Hendon, France. Turonian ; lYein- 
bohla, Saxonv. 
SaurocepJialus fajumensis,^. Dames, Sitznngsb. k. prenss. Akad. 
AViss., phys.-math. Cl. vol. vi. (1883), p. 147, pi. iii.. 
fig. 12; F. Priem, Bull. Soc. Geok. France, [3] vol. xxvii. 
(1899), p. 245, pi. ii. figs. 18, 19.—Lower Tertiary ; 
Birket-el-Qiirun, Fajum, Egypt. [Probably teeth of 
Cyhiwm; Royal Natural History Huseum, Berlin.] 
Saurocephalus incequalis, G. von Hiinster, Beitr. Petrefakt. 
pt. vii. (1846), p. 26, pi. ii. tig. 21.—Lower Tertiary ; 
Grinzing, ATenna. 
Saurocephalus injiexus, F. J. Pictet, op. cit. 1858, p. 51, pi. vii. 
fig. 3 . Protosphyrcma injlexa, H. E. Sanvage,. loc. cit. 
1879, p. 51, pi. iii. figs. 13, 14.—Neocomian ; Sainte 
Croix and Yonne. 
Saurocephalus inonasterii, G. von Hiinster, op. cit, pt. vii.. (1846), 
p. 48, pi. iii. fig. 15.—Upper Jurassic ; Linden, Hanover. 
[Probably Hegalosaurian.] 
Saurocephalus picteti, E. Arnaud, Ann. Soc. Lit. Sci. Apt (Yau- 
cluse), vol. i. (1865), p. 73, figs. 1-3.—Upper Cretaceous 
(Aptian) ; Apt, AHucluse. 
Saurocephalus substriatus, G. von Hiinster, op. cit. pt. vii. (1846)^ 
p. 26, pi. ii. fig. 20.—Hiocene; Neudorfl. 
There are numerous fragmentary Cretaceous fossils in the Col¬ 
lection which seem to belong to undetermined Chirocentridae. 
Among these the following may be enumerated :— 
P. 4859. Imperfect caudal fin described and figured by J. AY. Davis, 
Trans. Roy. Dublin Soc. [2] vol. iii. (1887), p. 501, 
pi. xxiv. fig. 1, as Chondrosteus?’’; Upper Cretaceous, 
Sahel Alma, Ht. Lebanon. Lewis Coll. 
47190. Hinder caudal vertebrae and base of caudal fin; Gault, 
Folkestone. Gardner Coll. 
P. 9019. Chain of small vertebrae and fragmentary pectoral fin, 
probably of two distinct fishes ; Gault, Folkestone. 
Presented by F. G. Hilton Price, Esq., 1 899. 
i2 
