474 
A r'lINOPTERTGII. 
37101. Imperfect fish about 0*15 in length, displaying scale- 
ornament ; Solenhofen. Haberlein Coll. 
P. 3601. Smaller imperfect fish, probably of this species ; Kelheim. 
Enniskillen Coll. 
Pholidophorus (?) gregarius, A. S. Woodward. 
1890. Pholidophorus gregarius , A. S. Woodward, Mem. Geol. Surv. 
N. S. Wales, Palaeont. no. 4, p. 44, pi. vi. figs. 6-10. 
Type. Imperfect fish ; Museum of Geol. Surv. N. S. Wales, Sydney. 
A small species attaining a length of about 0*05. Length of head 
with opercular apparatus about equal to the maximum depth of the 
trunk, and occupying one-fifth of the total length of the fish. 
External bones feebly rugose. Pelvic fins arising slightly nearer 
to the anal than to the pectorals ; dorsal fin with 12 rays, arising 
considerably behind the pelvic pair ; anal fin smaller, with 8 rays, 
its origin opposite the middle of the dorsal; caudal fin with only 14 
rays. Scales large and smooth, not serrated; four longitudinal 
flank-series much deeper than broad; two or three enlarged oval 
ridge-scales at the origin of the median fins : lateral line forming 
a conspicuous ridge. 
Form. Sj' Loc. Lower Hawkesbury-Wianamatta Series (Upper 
Trias): Gosford, New South Wales. 
P. 6279. Imperfect fish; Gosford. Bg exchange , 1890. 
Pholidophorus (?) dubius, A. S. Woodward. 
1890. Peltopleurus (P) dubius, A. S. Woodward, Mem. Geol. Surv. 
N. S. Wales, Palaeont, no. 4, p. 47, pi. vi. figs. 4, 5. 
Type. Imperfect fish ; Museum of Geol. Surv. N. S. Wales, Sydney. 
A very stout small species, about 0’06 in length. Length of head 
with opercular apparatus contained about four-and-a-half times, and 
maximum depth of trunk three times in the total length of the 
fish. Pelvic fins somewhat nearer to the anal than to the pectorals ; 
dorsal fin with about 11 rays, arising just in advance of the anal, 
which is slightly smaller ; caudal fin with at least 16 rays. Scales 
large and smooth, possibly with fine serrations. 
Form. Sf Loc. Lower Hawkesbury-Wianamatta Series (Upper 
Trias) : Gosford, New South Wales. 
P.6278. Crushed specimen ; Gosford. By exchange, 1890. 
P. 6274. Another imperfect specimen associated with Pristisomus 
latus ; Gosford. By exchange , 1890. 
