582 
ACTIXOPTERYGIT. 
Lepidocottus aries (Agassiz). 
1839. Cottus aries, L. Agassiz, Poiss. Foss. vol. iv. p. 186. 
1875. Lepidocottus aries, II. E. Sauvage, loc. cit. p. 637, pi. x * ! 1 ! ' 
fig. 1. 
Type. Imperfect fish. 
The type species, attaining a length of about 0*1 2. LeDgtb of 
head with opercular apparatus equalling half that of the trunk 
from the pectoral arch to the base of the caudal fin. Preoperculur.i 
with 4 subequal spines ; 5 branchiostegal rays. Vertebrae 10 1 * 111 
the abdominal, 16 in the caudal region. Dorsal spines 6, articulated 
rays 9 in number ; anal fin with 11 rays, arising slightly in advance 
of the posterior dorsal. 
Form. £( Loc. Lower Oligocene : Aix-en-Provence, France '• 
P. 1971. Fine specimen 0-11 in length, depressed in front half, sidi 
view in caudal region. The two foremost rays of the anal 
fin are obscured or wanting. The ctenoid scales, with 
radiating markings on their covered portion, are well 
shown. Egerton Coll . 
43439. Four small specimens. 
Presented by Kenneth Murchison, Esq., 18/ — * 
Lepidocottus brevis (Agassiz). 
1832. Cottus brevis, L. Agassiz, Neues Jahrb. p. 137. 
1839. Cottus brevis, L. Agassiz, Poiss. Foss. vol. iv. p. 185, ph xxxu ‘ 
figs. 2-4. 
1861. Poecilia oeningensis, T. C. Winkler, De3cript. Poiss. Foss. 
d’Oeningen (Natuurk. Verhandl. Holland. Maatsch. [2] vol. .« v - 
no. 2), p. 61, pi. iv. fig. 16. [Imperfect fish ; British Museum-] 
(?) 1891. Cobim brevis, D. G. Kramberger, Had Jugoslav. Akad. vo . 
cvi. p. 95, pi. vii. fig. 3. 
1898. Poecilia oenit>gensis= Cottus brevis, A. S. Woodward, Geol. 
[4] vol. v. p. 392. 
Type. Imperfect fish : olim Lavater Coll., Zurich. 
A slender species attaining a length of about 0*06, possi > ) 
sometimes much larger. Length of head with opercular apparatir 
equalling nearly twice maximum depth of trunk and halt its l en o 
from pectoral arch to base of caudal fin. Vertebrae 12 in to 
abdominal, 16 in the caudal region. Dorsal spines 6, articu a c< 
1 Imperfect fishes from the Lower Miocene of Chiavon, Viceatin, l |avt ‘ . 
been referred to this species by F. Bassani, Atti R. Accad. Sci. Napo * 
vol. iii. (1889), no. 6, p. 49, pi. iv. figs. 3, 4. 
