OLIGOPLEURIDiE. 
4 ( J7 
49131. Plaster cast of type specimen; Kelhenn. Purchased, 1878. 
P. 893. Imperfect fish wanting the greater part of the head, and 
with the trunk chiefly in impression; Kelheim. 
Egerton Coll. 
Oeonoscopus desori (Thiolliere). 
1858. Attakeopsis desori, V. Thiolliere, Bull. Soc. G6ol. France, [2] 
vol. xv. p. 784 (name only). 
1873. Attakeopsis desori, V. Thiolliere, Poiss. Foss. Bugey, pt. ii. p. 23, 
pi. xi. 
1887. Oenoscopus desori , K. A. von Zittel, Handb. Palaeont. vol. iii. 
p. 232. 
Type. Nearly complete fish ; Lyons useum. j 
The type species of the so-called genus Attakeopsis, attaining a 
length of about 0-35. Form and proportions as in 0. cyprinoides, 
but vertebrae not more than 55 in number and mostly as long as 
deep. 
Form. Sf Log. Lower Kimmeridgian (Lithographic Stone): Ain, 
France. 
P. 4702. Fish 025 in length, with much-crushed head and the 
vertebral arches and fins partly disturbed: Cirin, Ain. 
There seem to be indications of fulcra on the paired fins, 
and those of the median fins are conspicuous. Each 
pelvic bone is shown to be expanded both proximally and 
distally. Purchased, 1884. 
An undetermined species of Oeonoscopus also appears to be repre¬ 
sented by the following specimen :— 
33477. Bight maxilla described and figured in Geol. Mag. [4] 
vol. ii. (1895), p. 151, pi. vii. fig. 9; Purbeck Beds, 
Swanage. Purchased, 1858. 
The following species has also been named, but is not represented 
in the Collection :— 
Oeonoscopus striatissimus : Pachycormus striatissimus, G. von 
Munster, Neues Jahrb. 1842, p. 43 : Macrorhipis stria- 
tissima, A. Wagner, Abh. k. bay. Akad. Wiss., math.- 
phys. Cl. vol. ix. (1863), p. 726.—Lower Kimmeridgian 
(Lithographic Stone) ; Kelheim, Bavaria. [Fish wanting 
caudal fin ; Palaeontological Museum, Munich.] 
PART III. 2 K 
