406 
ACTINOPTEETGII. 
Hoplopteryx stachei (Kramberger). 
1895. Beryx stacheij D. G. Kramberger, Djela Jugoslav. Akad, 
vol. xvi. p. 43, pi. i. figs. 3, 4. 
Type. Imperfect fish; Trieste Mnseiim. 
A small species attaining a length of about 0*1, much resembling . 
H. syriacus but with more extended dorsal fin, which comprises 9 
large spines and about 12 divided rays. Number of vertebrse stated 
to be 24, but more indicated in the figure of the type specimen. 
Form. ^ Log. Cretaceous : Comen, Istria. 
Not represented in the Collection. 
The following specimen may perhaps represent an undetermined 
species oi^Hoplopteryx :— 
48122. Fragmentary fish with tuberculated large scales; Tipper 
Cretaceous, Sahel Alma, Mt. Lebanon. Lewis Coll. 
The following species are not represented in the Collection and 
are very doubtfully determined:— 
Hoplopteryx mino)\ J. W. Davis, Trans. Hoy. Dublin Soc. [2] 
vol. iv. (1890), p. 421, pi. xlv. figs. 3, 4.—Upper Cretaceous 
(Danian); Limhamn, Scania. [Fragmentary fish ; Koyal 
State Museum, Stockholm.] 
Hoplopteryx ohlongus., J. W. Davis, loc. cit. [2] vol. iii. (1887), 
p. 515, pi. XXV. fig. 1.—Upper Cretaceous; Sahel Alma, 
Mt. Lebanon. [Imperfect fish ; Edinburgh Museum of 
Science & Art.] 
Eemains apparently of Hoplopteryx occur also in the Chalk of 
the Dept. Somme, France {Beryx, P. Gervais, Zool. et Pal. Frang. 
1852, Poiss. Foss. p. 6, pi. Ixx. figs. 1, 2). 
Genus DINOPTERYXj novum. 
Trunk elongate-ovoid and laterally compressed. Cleft of mouth 
little oblique, and teeth minute; preoperculum without spine. 
\ ertebrse about 15 in the abdominal, 15 in the caudal region. 
Pelvic fin-spine very stout and large. Dorsal fin much extended, 
occupying the greater portion of the back, with about 14 stout 
spines, nearly similar in length, not closely pressed together; anal 
fin comparatively short, with about 7 stout spines not closely pressed 
together ; caudal fin deeply cleft. Scales cycloid and smooth, rather 
small, none much enlarged or thickened. 
