582 
ACTIJ!fOPTERYGlT. 
laepidocottiis aries (Agassiz). 
1839. Coitus aries, L. Agassiz, Poiss. Foss, vol. iv. p. 186. 
1875. Lepidocottus aries, H. E. Sauvage, loc. cit. p. 637, pi. xxiii. 
fig. 1. 
Type. Imperfect fish. 
The type species, attaining a length of about 0T2. Length of 
head with opercular apparatus equalling half that of the trunk 
from the pectoral arch to the base of the caudal fin. Preoperculura 
with 4 subequal spines ; 5 branchiostegal rays. Yertebrse 10 in 
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 L 
P. 1971« Fine specimen OTl in length, depressed in front half, side 
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 hy Kenneth Murchison, Esq., 1872i. 
Lepidocottus brevis (Agassiz). 
1832. Coitus orevis, L. Agassiz, Neues Jahrb. p. 1.37. 
1839. Coitus brevis, L. Agassiz, Poiss. Foss. vol. iv. p. 185, pi. xxxii. 
figs. 2-4. 
1861. Poecilia oeningensis, T. C. Winkler, Descript. Poiss. Foss. 
d’Oeningen (Natuurk. Verhandl. Holland. Maatsch. [2] vol. xiv. 
no. 2), p. 51, pi. iv. fig. 16. [Imperfect fish ; British Museum.] 
(?)1891. Gobius brevis, D. G. Kramberger, Pad Jugoslav. Akad. vol. 
cvi. p. 95, pi. vii. fig. 3. 
1898. Poecilia oeningensis= Coitus brevis, A. S. Woodward, Geol. Mag. 
[4] vol. V. p. 392. 
Type. Imperfect fish : olim Lavater Coll., Ziirieh, 
A slender species attaining a length of about 0*06, possibly 
sometimes much larger. Length of head with opercular apparatus 
equalling nearly twice maximum depth of trunk and half its length 
from pectoral arch to base of caudal fin. Yertebrse 12 in the 
abdominal, 16 in the caudal region. Dorsal spines 6, articulated 
^ Imperfect fishes from the Lower Miocene of Chiavon, Vicentin, have also 
been referred to this species by F. Bassani, Atti E. Accad. Sci. Napoli [2] 
vol. iii. (1889), no. 6, p. 49, pi. iv. figs. 3, 4. 
