374 
actinoptekygii. 
Genus FISTULARIA, Linnaeus. 
[Syst. Nat. ed. 10, 1758, p. 312.] 
Teeth minute. Vertebrae very numerous, between 70 and 00 in 
total number, less than half being caudal. Pectoral fins on flank ; 
infraclavicles much extended, and small pelvic fins inserted not far 
behind them; no free spines in front of dorsal fin, which is remote, 
anal fin similar to dorsal; caudal fin forked, with few much 
elongated median rays. Scales absent, but a series of rudimentary 
bony scutes along the lateral lino and the median dorsal line. 
Existing species occur on the shores of the Indian Ocean and o 
the tropical region of the Atlantic Ocean. 
A figure of the skeleton of the existing F. tabaccaria is given > 
Agassiz, Poiss. Foss. vol. iv. pi. xxxv. fig. 1 (wrongly label e 
Aulostoma chinense). 
Fistularia koenigi, Agassiz. 
1830-42. Fistularia koenigii, L. Agassiz, Poiss. Foss. vol. iv. p. > 
pi. xxxv. fig. 5. 
1859. Fistularia koenigii, G. vom Rath, Zeitschr. deutsch. geo • 
vol. xi. p. 124, pi. v. fig. 2. 
1886. Fistularia koenigi, A. Wettstein, Fischfauna Tertiaer. & .une 
sekief, (Denkscbr. schweiz. Pal. Ges. vol. xiii.), p- 92. 
Type. Imperfect head and abdominal region ; British Museuim 
An imperfectly known species, attaining a length of about 1 ’• 
Cranial roof with three finely denticulated longitudinal ridges, t m 
median the largest ; opercular apparatus ornamented with radial in n 
series of minute tubercles, and ridge of preoperculum with a 
of conspicuous denticles. Vertebrae about 74 in total number, o 
which 30 are caudal; length of fused anterior vertebrae appro* 1 
mately one fifth of the column. Dorsal and anal fins with H 01 
12 rays ; two elongated median caudal rays. 
Form. Sf Loc. Oligocene : Glarus, Switzerland. 
P- 9236. Type specimen, in counterpart, described and figured by 
Agassiz, loc. cit. ; Engi. Old Collection 
P. 1975 a. Obscure remains of head and anterior vertebrae, labelled 
by Agassiz and mentioned loc. cit. ; Engi. Egerton 0 
P- 1975, P. 4000. Scattered remains of small specimen, in counte 
part ; Engi. The cranial roof is shown. 
Egerton 4' Enniskillen Colls. 
