ETTGNATHIDiE. 
301 
(1850), p. 150, and Poiss. Foss. Bugey, pt. ii. (1873), p. 19. The 
type specimen is preserved in the Lyons Museum. 
Form. § Loc. Lower Kimmeridgian (Lithographic Stone): Bavaria. 
49138. Plaster cast of nearly complete fish, the original in the 
Palaeontological Museum, Munich, noticed by Wagner, 
loc. cit. p. 673 ; Eichstiidt. Purchased , 1878. 
P. 511, P. 3646. Remains of a large specimen in counterpart, 
displaying the scale-ornament and the stout mandibular 
teeth ; Solenhofen. Egerton df Enniskillen Colls. 
P. 3717. Imperfect head and anterior abdominal region; Solenhofen. 
Enniskillen Coll. 
P. 3646 a. Scattered remains of small head and trunk, including 
ring-vertebrae and comparatively thick scales ; Solenhofen. 
The sparse tuberculation is shown on some of the external 
bones. Enniskillen Coll. 
Bugnathus longiserratus (Agassiz). 
1843-44. Pholidophorus longiserratus, L. Agassiz (ex Minister MS.), 
Poiss. Foss. vol. ii. pt. i. p. 277, pi. xxxviii. fig. 2. 
1863. Pholidophorus longiserratus, A. Wagner, Abh. k. bay. Akad. 
Wiss., math.-phys. Cl. vol. ix. p. 664. 
1863. Pholidophorus brevivelis, A. Wagner, ibid. p. 664. [Nearly 
complete fish ; Palaeontological Museum, Munich.] 
1887. Isopholis longiserratus, K. A. von Zittel, Handb. Palaeont. vol. iii. 
p. 216. 
1887. Isopholis brevivelis, K. A. von Zittel, ibid. p. 216. 
Type. Nearly complete fish ; Palaeontological Museum, Munich. 
A small species attaining a length of about 0 "2. Length of head 
with opercular apparatus somewhat exceeding the maximum depth 
of the trunk, and equalling nearly one-quarter of the total length of 
the fish. Head elongated, and external bones with a rugose 
ornament. Fins as in the type species. Scales with relatively few, 
deep serrations on the hinder border. 
Form. Sf Loc. Lower Kimmeridgian (Lithographic Stone): Bavaria. 
37081, 37100, 37804. Two specimens in counterpart, and a larger 
crushed and distorted fish ; Solenhofen. Hciberlein Coll. 
49128. Plaster cast of type specimen of so-called Pholidophorus 
brevivelis ; Eichstadt. Purchased, 1878. 
P. 1082. Four fragments, probably of this species; Solenhofen. 
Egerton Coll. 
