274 
ACTINOPTERYGII. 
supports of the dorsal fin are dagger-shaped, having a 
aminar wing both in front and behind. Lewis Col . 
46518. Another more imperfect elongated specimen displaying P a ^ 
of the operculum of both sides, apparently with a sm 
acumination on its hinder border. Lewis Co 
Charitosomus lineolatus (Pictet & Humbert). 
[Plate XV. fig. 4.] 
1 860. Solenognathus lineolatus, Pictet & Humbert, Nouv. Rech. Iois.. 
l'oss. Mt. Liban, p. .56, pi. iv. tigs. 4-7. , _ 
1887. Solenognathus lineolatus, 3. W . Davis, Trans. Roy. Dublin hoC ' 
[2] vol. iii, p. .531 , pi. xxvi. fig. 6. 
jype. Imperfect fishes ; Geneva Museum. . 
The type species of tho so-called Solenognathus (Pictet 
Humbert, non Swainson), attaining a length of about 0-07. Len& 
of head w r ith opercular apparatus contained five times, and maxima® 
depth of trunk about thirteen times in the total length of the fi s 
to the base of the caudal fin. Operculum bearing a small bioa 
spine on its hinder border. Dorsal fin situated ju6t within t 
hinder half of the trunk ; pelvic fins arising opposite the origin 
the dorsal, tho distance between these and the pectorals equalling 
about twice the length of the head with opercular apparatus ; a ®^ 
fin arising just behind the middle point between the pelvic an 
caudal fins. 
Form. 4" Loc. Upper Cretaceous : Sahel Alma, Mt. Lebanon. 
P- 4752. Fine specimon 0-073 in length, displaying the form 
proportions of the mandible and the greator part ° 
fins, imperfectly figured by Davis, loc. cit., rc-figu u 
pi q a Tstiuis COW* 
fig. 4. Lewls 
46523, 48135-40, 47389. Eight specimens in various states ^ 
No. 48137 exhibits traces of the 
of 
preservation, 
teeth at the back of the mouth. 
Lewis 
Coll- 
P 9174. Five more fragmentary specimens, two showing 
acumination on tho hinder margin of the operculum. 
Lewis isou- 
Charitosomus hakelensis (Davis). 
1887. Spaniodon hakelensis, J. W. Davis, Trans. Roy. Dublin S 
vol. iii. p. f> 9 ] , pi, xxxiv. fig. 4. r XT t Hist- 
1898. Charitosomus hakelensis , A. S. Woodward, Ann. Mag* 
[7] vol. ii. p . 412. 
