STROM ATEID.E. 
421 
Omosoma pulchellum (Davis). 
1887. Microdon (?) jtulchellus, J. W. Davis, Trans. Roy. Dublin Soc. 
[2] vol. iii, p. 501, pi. xxiv. fig. 8. 
Type. Small distorted fish; Edinburgh Museum of Science and 
Art. 
A deep-bodied species, attaining a length of about 0-07. Maxi- 
mum depth of trunk equal to its length from pectoral arch to base 
caudal fin. Fins as in the type species. 
Torm. A Loc. Upper Cretaceous ; Sahel Alma, Mt. Lebanon. 
48115. Fine specimen, originally about 0 - 065 in length. 
Lewis Ooll. 
48119-a, 49575. Three imperfect and distorted specimens. 
Lewis Coll. 
The generic determination of the following species is uncertain : 
Omosoma mo Mister i, W. von der Marck, Paloeontogr. vol. xxxi. 
(1885), p. 245, pi. xxii. fig. 1.— Upper Cretaceous ; Baum- 
berg, Westphalia. [Imperfect fish ; Academy of Miinster.] 
Genus PLATYCORMUS, W. von der Marck. 
[Zeitschr. deutsch. geol. Ges. vol. x. 1858, p. 251.] 
Cleft of month oblique, and jaws with very minute teeth. Ver- 
teVae about 14 in the abdominal, 20 in the caudal region. Post- 
clavicle much elongated and slender, reaching ventral border ; 
Pelvic fins with small spine, not directly below but somewhat 
behind the pectoral pair ; dorsal and anal fins acuminate in front, 
each with a few very Btout anterior spines, gradually lengthening 
atlf l closely pressed together ; caudal fin deeply forked. Scales 
ctenoid, of moderate size, more or less ornamented with granula- 
fions, and extending over the opercular apparatus, head, and base 
°f the median fins; no enlarged or thickened scales even on the 
ventral border of the trunk. 
Platycormus germanus (Agassiz). 
1837-39. Beryx germanus , L. Agassiz, Poiss. Foss. vol. iv. p. 121, 
pl. xiv e. 
1858. Platycormus germanus, W. von der Marck, Zeitschr. deutsch. 
geol. Ges. vol. x. p. 251. 
1803. Platycormus germanus , W. von der Marck, Palseoutogr. vol. xi. 
p. 20, pl. i. fjgg. l_3. 
