164 
actinoptekygii. 
35th vertebral centrum ; anal fin less olevated and with m° r ® 
delicate raj's than the dorsal, arising nearly opposite the 5 
vertebral centrum. 
Ihe so-called E. tenuicaudus is still regarded as a distinct specie 
by von der March in his latest list (Palseontogr. vol. xxxi- l 88 ^’ 
p. 240), but the onlj' differences observed seem to be due to acciden 
in distortion and preservation. 
Form. ^ Loc. Upper Cretaceous : Westphalia. 
P. 2111. Imperfect fish displaying some of tho principal charade 
of the head and opercular apparatus, described and bp“ r 
in Proc. Zool. Soc. 1897, p. 268, pi. xviii. fig. 1 : 
horst. Egerton CoU. 
P. 2114. Imperfect specimen on slab with other fishes, dost- rib 
ibid. p. 271; Sendenhorst. Egerton » 
P. 4481. Impression of fish wanting the end of the snout, descri 
and figured ibid. p. 269, pi. xviii. fig. 2 ; Sendenhorst. 
Enniskillen Lou. 
P. 5949. Head and greater portion of trunk in countcrpa^’ 
described and figured ibid. p. 270, pi. xviii. fig- 3 - ® 
denhorst. The scales of the lateral line are especi 
conspicuous. Purchased, 1 
Another example of this species is preserved on a large slab 
numbered P. 9251. 
Genus ENCHELURUS, W. von der Marck. 
[ Palseontogr. vol. xi. 1863, p. 58.] 
An imperfectly known genus provisionally placed in this 
on account of the general resemblance of its skeleton to tha 
JEchidnocephalus. Vertebra) very short and numerous, marked 
delicate longitudinal striae ; neural arches in the abdominal rc n“_^ 
expanded into narrow lamina). Paired fins small, about equ ^ 
size; dorsal fin at least as deep as long, arising opposite to ^ 
behind the pelvic fins ; anal fin much extended ; a separate " 
caudal fin, pointed behind. Scales small, those of the latera 
apparently thickened but not enlarged. 
Enchelurus villosus, W. von der Marck. 
1863. Enchelurus villosus , W. von der Marck, Palaeontogr. vol. 
p. 58, pi. ix. fig. 5. 
Ti/pe. Imperfect distorted trunk ; Academj - of Munster. 
