246 
ACTINOFTERYOII. 
1866. Lep/osomus macrourus, Pictet & Humbert, Nouv. Kech. 01SS ' 
Foss. Mt. Liban, p. 75, pi. x. figs. 1-4. , x 
1866. Leptosomm cramcostatus, Pictet & Humbert, ibid. p. 76, p • x - 
^figs. 5-7. [Distorted fish ; Geneva Museum.] ^ 
1887. Leptosomm macrourus, J. W. Davis, Trans. Koy. Dublin 8oc. L “ 
_ v °l- i*i- P- 584, pi. xxxiv. fig. 5. 
1887. Lep/osomus crassicostatus, J. W. Davis, ibid. p. 584. 
Ttjpe. Imperfect fish; Geneva Museum. 
A diminutive species, attaining a length of about 0*06. Leu 0 ^ 
of head with opercular apparatus contained two and a half C® ’ 
and maximum depth of trunk four times in the length fiom ^ 
pectoral arch to the base of the caudal fin. Vertebra; and fins 
in the type species. 
Form. Sf Loc. Upper Cretaceous : Sahel Alma, Mt. Lebanon. 
Among numerous specimens the following may be noted : 
■ The 
P. 3842. Well preserved specimen figured by Davis, loc. cit. 
skull is very imperfect, and the ceratohyal wit 
branchiostegal rays is crushed downwards beneath i • 
Fmnishillen Coll. 
46454, 46546, 47388, 48141-43. Eight specimens, variously i® 
perfect and more or less distorted, no. 48142 disp 
the scales. Lewis 
P. 1884-5. Four similar specimens. Fgerton C 
46549, 47390, 48146-48, P. 9172. Eight specimens shortened an 
deepened by distortion, the first in counterpart.^ (Joll. 
Leptosomus minimus (Agassi/.). 
1839 44. Clupea minima, L. Agassiz, Poiss. Foss. vol. v. P 
pi. lxi. fig. 1. 
1866. Clupea minima, Pictet & Humbert, Nouv. l!ech. Poiss. 
Liban, p. 65. 
ii. P . 12°r 
Foss. Mt' 
Type. Imperfect fish ; olim Amic Collection, Paris. ength 
A diminutive species, attaining a length of about (P04. j mUIB 
of head with opercular apparatus equalling nearly one half, ®®^ 
depth of trunk scareoly more than one third the length 1 ^ 
pectoral arch to the base of the caudal fin. Vertebra; abou 
total number. Fins apparently as in the typo species. 
Form. Sf Loc. Upper Cretaceous ; Hakel, Mt. Lebanon. 
49477, P. 80, P. 4783. 
species. 
Three slabs exhibiting a s. 
Lewis Coll . 
