FlSTULARIIDJi:. 
375 
Fistularia longirostris (Blainville). 
1796. Esox belone, G. S. Volta, Ittiolit. Veronese, p. xviii. pi. v. fig. 2 
(errore). 
1818. Esox hngirastris, H. D. de Blainville, Nouv. Diet. d’Hist. Nat. 
vol. xxvii. p. 341. 
1835. Fistularia tenuirostris, L. Agassiz, Neues Jalirb. p. 291 (name 
only). 
1839-42. Fistularia tenuirostris, L. Agassiz, Poiss. Foss. vol. iv. p. 280, 
pi. XXXV. fig. 4. 
1876. Fistularia tenuirostris, F. Bassani, Atti Soc. Veneto-Trent. Sci. 
Nat. vol. iii. p. 181. 
Type. Imperfect fish; Museum of Natural History, Paris. 
A very small species, attaining a length of about 0*2. Im¬ 
perfectly known, but anterior fused vertebrae considered by Agassiz 
to be relatively shorter than in the other known species. Dorsal 
fin with 12 or 13 rays, anal fin with at least 9 or 10 (according to 
Bassani). 
Form. ^ Loc. Upper Eocene : Monte Bolca, near Verona. 
Not represented in the Collection. 
Genus AULOSTOMA, LacepMe. 
[Hist. Nat. Poiss. vol. v, 1803, p. 357.] 
Teeth very minute, only on mandible and vomer. Vertebrae 
about 50 to 65 in total number, at least half being caudal. Inter¬ 
muscular bones very numerous and long. Pectoral fins on flank ; 
infraclavicles not much extended; small pelvic flns remote ; a series 
of very slender, small free spines in front of dorsal fln, which 
is remote ; anal fln similar to soft dorsal; caudal fln rhombic, 
without elongated ray. Scales small and ctenoid. 
Existing species distributed like those of Fistularia. 
Aulostoma bolcense (Blainville). 
1796. Fistularia chinensis, G. S. Volta, Ittiolit. Veronese, p. xvi. pi. v. 
fig. 1 {errors). 
1818. Fistularia bolcensis, H. D. de Blainville, Nouv. Diet. d’Hist. 
Nat. vol. xxvii. p. 340. 
1835. Aulostoma bolcense, L. Agassiz, Neues Jahrb. p. 291 (name 
only). 
1839-42. Aulostoma bolcense, L. Agassiz, Poiss. Foss. vol. iv. p. 282, 
pi. XXXV. figs. 2, 3. 
1876. Aulostoma bolcense, F. Bassani, Atti Soc. Veneto-Trent. Sci. 
Nat. vol. iii. p. 181. 
Type. Imperfect fish; Museum of Natural History, Paris. 
