PERCID.E. 
511 
A slender species, attaining a length of about 0'15. Length of 
head with opercular apparatus about equal to the maximum depth 
°f the trunk, which is contained four times in the total length to the 
base of the caudal fin. Anterior dorsal fin with 9 spines, posterior 
dorsal with 1 spine and 11 articulated rays, its anterior origin 
slightly nearer to the occiput than its termination to the base of the 
caudal fin ; dorsal spines slender, the fourth the longest. Anal fan 
with 3 spines and 1 2 articulated rays opposed to the posterior dorsal, 
a nd its spines very slender.. Caudal fin considerably forked. 
Form, cj- Loc. Upper Eocene : Monte Bolca, A. Italj. 
3895. Imperfect large specimen, labelled by Agassiz. 
Enniskillen Coll. 
21407. Slab with four specimens about 0'09 in length. 
Purchased, 1847. 
P. 9479. Fish 0-08 in length, in counterpart. Dixon Coll. 
44875. Fine specimen 0’095 in length, in counterpart. 
Presented by Benjamin Briyht, Esq., 1873. 
1912. Two small specimens labelled by Agassiz. Eyerton Coll. 
Labrax oeningensis, nom. nov. 
1823. Perea lucioperca, J. F. Kruger, Gesch. d. Urwelt, voL ii. p. (348 
(err ore). 
1832. Perea lepidota, L. Agassiz, Neues Jabrb. p. 136. 
1836. Perea lepidota, L. Agassiz, Foiss. Foss. vol. iv. p. < 5, pi. x. 
1880. Properea lepidota, H. E. Sauvage, Bull. Soc. G5ol. France [3] 
voL viii. p. 452. . r . 
1895. Properea lepidota , F. Bassani, Atti R. Accad. bci. * apo L" J 
vol. vii, no. 7, p. 2, tig. 1. 
Type. Imperfect fish ; Carlsruhe and British Museums. 
A robust species, attaining a length of about 0'5. Length of head 
With opercular apparatus about equal to the maximum depth of 
the trunk, which is contained a little more than three times in the 
length to the base of the caudal fin. Anterior dorsal fin with 
9 spines, posterior dorsal with 1 spine and 14 articulated rays, the 
third to fifth spines being longest and thickest ; anal fin with 
3 spines and 9 articulated rays, the second spine as stout as the 
third but slightly shorter. 
Form. Sf Loc. Upper Miocene : Oeningen, Baden ; Murlo, Prov. 
Siena, Italy. 
