ALBULTD^. 
65 
This genus is not represented in the Collection, hut the following 
extinct species have been referred to it:— 
Chanos brevis, E. Kner & F. Steindachner, Denkschr. k. Akad. 
Wiss., math.-naturw. Cl. vol. xxi. (1863), p. 19, pi. i. ; 
F. Bassani, Atti B. Accad. Sci. jN^apoli [2] vol. hi. (1889), 
no. 6, p. 45. Alhula brevis, J. J. Heckel, Sitzungsb. k. 
Akad. Wiss., math.-naturw. Cl. vol. xi. (1854), p. 132.— 
Lower Miocene; Chiavon, Yicentin. [Eearly complete 
fish ; Court Museum, Vienna.] 
Chanos forcipatus, Kner & Steindachner, loc. cit. 1863, p. 21, 
pi. in. Megalops forcipatus, J. J. Heckel, loc. cit. 1854, 
p. 132.—Upper Eocene ; Monte Postale, N. Italy. [Im¬ 
perfect fish ; Court Museum, Vienna.] 
Chanos zignii, Kner & Steindachner, loc. cit. 1863, p. 20, pi. ii.; 
E. Bassani, loc. cit. 1889, p. 44. ATbula de zignii, 
J. J. Heckel, loc. cit. 1854, p. 129. Albula lata, J. J. 
Heckel, ibid. p. 131.—Lower Miocene : Chiavon, Vicentin. 
[Tail; Court Museum, Vienna.] 
Genus PROCHANOS, Bassani. 
[Verhandl. k.-k. geol. Beichsanst. 1879, p. 165.] 
A genus closely resembling Chanos and not yet precisely definable ; 
differing from Chanos in the absence of the enlarged lateral scale at 
the base of each lobe of the tail. 
Prochanos rectifrons, Bassani. 
1879. Prochanos rectifrons, F. Bassani, Verhandl. k.-k. geol. Beichsanst. 
p. 165. 
1882. Prochanos rectifrons, F. Bassani, Denkschr. k. Akad. Wiss., 
math.-naturw. Cl. vol. xlv. p. 218, pis. xiii.-xv. 
Type. Head with abdominal region ; Imperial Geological Survey, 
Vienna. 
The type species, attaining a length of about 0-55. Length of 
head with opercular apparatus nearly equal to the maximum depth 
of the trunk, which is contained somewhat more than twice in the 
length from the pectoral arch to the base of the caudal fin. Ver¬ 
tebrae nearly 50 in number, of which 20 are caudal. Pelvic fins 
with about 6, dorsal with about 14, and anal with about 8 rays. 
Form. ^ Loc. Cretaceous ; Island of Lesina, Dalmatia. 
P. 7447. Imperfect specimen, crushed and distorted, the head being 
shown from above, the body chiefly from the side. The 
PAKT IV. 
F 
