SCOHBRID^:. 
477 
separated, the anterior -with more than 20 spines, arising above the 
paired fins; posterior dorsal and anal fins of equal extent, and 
followed by about 20 finlets ; caudal fin deeply forked. [Scales 
Unknown.] 
An extinct Oligocene genus. 
Thyrsitocephalus alpinus, G. vom Rath. 
1859. Thyrsitocephalus alpinus , G. vom Rath, loc. cit. p. 114, pi. iii. 
fig. 4. 
1886. Thyrsitocephalus alpinus, A. Wettstein, Fischfauna Tertiaer. 
Glarnerschief. (Denkschr. schweiz. Palaeont. Ges. vol. xiii.), p. 70. 
■Typt- Nearly complete fish; Geological Museum, L Diversity of 
Bonn. 
The type species, attaining a length of about 0'16. Length of 
head with opercular apparatus somewhat exceeding maximum depth 
°f trunk, and contained five times in total length of fish. Teeth 
recurved, about 12 in each jaw. Anterior dorsal fin with 22 or 23 
spines, posterior dorsal with 10 articulated rays, anal fin with 10 
°r 12 articulated rays. 
Form. S[ Loc. Oligocene : Canton Glarus. Switzerland. 
B ot represented in the Collection. 
Genus LEPIDOPUS, Gouan. 
[Hist. Nat. Poiss. 1770, p. 185.] 
s yn. A nenchelum, H. D. de Hlainville, Nouv. Diet. d’Hist. Nat. 
vol. xxvii. 1818, p. 314. 
Lepidopides, J. J. Heckel, Denkschr. k. Akad. Wiss., math.- 
naturw. Cl. vol. i. pt. i. 1850, p. 239. 
Trunk laterally compressed and excessively elongated. Orbit 
lar ge ; mouth large and mandible prominent ; marginal dentition 
Powerful, a few teeth much enlarged, recurved, and barbed. From 
00 to 110 vertebne, none with transverse processes. Pectoral fins 
We H developed, but pelvic fins rudimentary ; dorsal fin continuous 
a nd nearly uniform in elevation along the whole length of the back ; 
numerous rudimentary anal fin-spines; no finlets; caudal fi D 
deeply forked. Scales absent. 
Pelagic and deep-sea fishes of wide range. 
Lepidopus glarisianus (Blainville). 
1708. Figure by J. J. Scheuchzer, Pise. Querelfe et Vindicise, pi. ii. 
1818. Anenchelum glarisianum, H. D. de Blainville, Nouv. Diet. 
d’Hist. Nat. vol. xxvii. p. 314. 
1834. Anenchelum glarisianum , L. Agassiz, Neues Jahrb. p, 302. 
