CLTJPETDiE. 
129 
Genus PSEUDOBEHYX, Pictet & Humbert, 
[Nouv. Ilech. Poiss. Foss. Mt. Liban, 1866, p. 32,] 
Head large, trunk deeply fusiform and laterally compressed. 
Maxilla robust and arched, with two large supramaxillary bones ; 
mandible a little prominent, and gape not extending behind the 
middle of the large orbit; teeth minute. Preoperculum only 
slightly expanded; operculum and suboperculum deep and narrow. 
Vertebrae approximately 30 in number, half being caudal. Paired 
fins small, the pelvic pair inserted opposite the dorsal, which is 
short-based and nearly median ; anal fin smaller than the dorsal; 
caudal fin deeply forked. Scales pectinated, large and regularly 
arranged, none enlarged or thickened, and no ventral ridge-scales ; 
lateral line conspicuous. 
Pseudoberyx syriacus, Pictet & Humbert. 
1866, Pseudohei'yx syj'iacus, Pictet & Humbert, Nouv. Rech. Poiss. 
Foss. Mt. Liban, p. 33, pi. ii. figs. 4-6. 
1887. Pseucloheryx syriacus, J. W. Davis, Trans. Roy. Dublin Soc. [2] 
vol. iii. p. 509, pi. xix. fig, 3. 
1887. Pseudoheryx bottce, J. W, Davis, ibid. p. 633, pi. xix. fig. 4 
{err ore ). 
Type. Hearly complete fish ; Geneva Museum. 
The type species, attaining a length of about 0’08. Length of 
head with opercular apparatus less than the maximum depth of the 
trunk, and contained twice in the length from the pectoral arch to 
the base of the caudal fin. Pelvic fins each comprising about 6 
rays and inserted opposite the origin of the dorsal, which is about 
as long as deep, with 10 or 12 rays, occupying the middle third 
of the back ; the small anal fin well behind the dorsal, with 6 
or 8 comparatively short rays. Scales with deep posterior pectina¬ 
tions and arranged in about 30 transverse series ; each principal 
transverse series of the flank comprising 8 or 9 scales. 
Ho undoubted indications of spines have hitherto been observed 
in any of the fins of this species. 
Form. Log. Upper Cretaceous : Hakel, Mt. Lebanon. 
P. 8686. Fine large specimen, wanting the end of the snout. 
Purchased, 1897. 
P. 101. Smaller specimen figured by Davis, loc. cit. pi. xix. fig. 4, 
under the name of Pseudoheryx hottae. Lewis Coll. 
49569. Imperfect remains of large fish. Lewis Coll.. 
PAPvT IV. 
K 
