522 
ACTINOPTERYGII. 
Serranus rugosus, J. J. Hcckol, Sitzungsb. k. Akad. Wiss., math.- 
naturw. Cl. vol. xi. (1854), p. 137. Founded on Serranu a 
ventralis, Agassiz (in part), Poiss. Foss. vol. iv. pi. xxiii !>• 
(upper fig.). — Upper Eocene ; Monte Bolca. [Imperfect 
fish.] 
Serranus stiriacus, D. G. Krambergcr, Djela Jugoslav. Akad. 
vol. xvi. (1895), p. 60, pi. x. fig. 3. — Upper Oligoeene ; 
Tiiffer, Steiermark. [Imperfect trunk.] 
Serranus validus, I). G. Kramberger, loc. cit. 1895, p. 59, pi- x - 
fig. 2— Ibid. [Ditto.] 
Serranus wemmeliensis, It. Storms, Bull. Soc. Beige Geol. vol. x. 
(1897), Mem. p. 210, pi. v. figs. 1, 2. — Upper Eocene , 
Neder-over-Heembcek, Brussels. [Head, &c.] 
Otoliths from the Oligoceno and Miocene of Germany have also 
been referred to Percoid fishes under the names of Otolithus 
( Serranus ) noetlingi, 0. ( Serranus ) distinct ns, 0. ( Percidarum ) 
varians, 0. (P.) plebejus, 0. (P.) frequens, 0. ( P .) mqualis, and 
0. (P.) moguntinus (E. Koken, Zeitsehr. deutsch. geol. Ges. 
vol. xliii. 1891, pp. 124-128, pi. viii. figs. 1, 4, pi. x. figs. 1> 2). 
An otolith from the Forest Bed, West ltunton, Norfolk, now in 
the Museum of Practical Geology, is supposed to belong to the 
existing Acerina vulgaris (E. T. Newton, Vert. Forest Bed — Mem. 
Geol. Surv. 1882 — p. 121, pi. xviii. fig. 9). 
The following extinct species, imperfectly defined and not repre- 
sented in the Collection, are referred chiefly to existing genera 
intermediate between the Percidce and Sparidm : — 
Ctenodentex laekeniensis, It. Storms, Bull. Soc. Beige Geol. vol. x. 
(1896), Mem. p. 199, pi. iii., pi. iv. figs. 3-6. — Pent ex 
laekeniensis, P. J. Van Beneden, Bull. Acad. ltoy. Belg. 
[2] vol. xxxiv. (1872), p. 423, with plate. — Upper Eocene 
(Wemmolian) ; Belgium. [Type species of Ctenodentex. 
Imperfect fish ; Brussels Museum.] 
Dentex crassispinus, L. Agassiz, Poiss. Foss. vol. iv. (1839), 
p. 147. — Upper Eocene ; Monte Bolca, near Verona. 
[Imperfect fish ; Paris Museum of Natural History.] 
Dentex faujasi, I,. Agassiz, tom. cit. 1839, p. 150. Coryphtsna, 
F’aujas St. Fond, Ann. Museum, vol. i. (1802), p. 35'>- 
— Middlo Eocene (Calcaire Grossier) ; Nanterre, Paris- 
[Fragmentary fish.] 
Dentex leptacantlius, L. Agassiz, tom. cit. 1839, p. 144, pi. xxvi. 
— Upper Eoceno ; Monte Bolca. [Imperfect fish ; Paris 
Museum of Natural History.] 
