310 
ACTIXOPTEPvTGII. 
P. 8731-33. Detached phar 3 ’ngeal teeth; Forest Bed Series, West 
and East Bunton and Sidestrand. Savin Coll. 
1 ^ 
j 
28079. Detached pharyngeal teeth; Pleistocene, Graj's, Essex. 
John Brown Coll. 
The following extinct species are either based on specimens too 
imperfect for recognition or are not represented in the Collection :— 
Leuciscus acrogaster^ A. E. Beuss, Geogn. Skizzen aus Bohmen, 
vol. ii. (1844), p. 263; H. von Meyer, IN’eues Jahrb. 1848, 
p. 427, and Palaeontogr. vol. ii. (1851), p. 55, pi. xii. 
fig. 4.—Lower Miocene (Semi-opal); Luschitz, Bohemia. 
[Distorted fish.] 
Leuciscus hosniasJcii, E. Bassani, Atti Soc. Yeneto-Trent. Sci. 
Yat. vol. vii. (1880), p. 83, pi. viii.—Lower Miocene; 
Eibiswald, Styria. [Imperfect fish ; Imperial Geological 
Survey, Vienna.] 
JLeuciscus hrevicauda^ F. G. Troschel, Yerhandl. naturw. Yer. 
preiiss. Bheinl. vol. xi. (1854), p. 20, pi. ii. fig. 3—Dpper 
Oligocene (Lignite) ; near Bonn. [Imperfect small fish ; 
Bheinland Museum, Bonn.] 
Leuciscus brevis, L. Agassiz, Poiss. Foss. vol. v. pt. ii. (1839-44), 
p. 35, pi. lie. fig. 4.—Loc. ? [Imperfect fish; Boyal 
Bohemian Museum, Prague.] 
Leuciscus {Ghondrostoma ?) hubedus, F. G. Troschel, loc. cit. (1854), 
p. 26, pi. ii. fig. 5. (?) Chondrostoma bubalus, D. G. 
Kramberger, Bad Jugoslav. Akad. vol. Ixxii. (1885), 
p. 38, and Soc. Hist. Hat. Croatica, vol. i. (1886), 
p. 133.—Dpper Oligocene; near Bonn (in lignite); 
(?) Warnsdorf, Bohemia. [Distorted fish; Bheinland 
Museum, Bonn.] 
I.euciscus eibiswaldensis, D. G. Kramberger, Bad Jugoslav. Akad. 
vol. cvi. (1891), p. 93, pi. vii. fig. 2.—Lower Miocene; 
Eibiswald, Styria. [Imperfect fish.] 
Leuciscus gibbus, H. von Meyer, Palaeontogr. vol. ii. (1851), p. 98, 
pi. XV. fig. 6, and ibid. vol. vi. (1856), p. 24, pi. i. fig. 2.— 
Lower Miocene; Lnterkirchberg, near Ulm, Wurtemberg. 
[Imperfect fish.] 
Leuciscus heterurus, L. Agassiz, Heues Jahrb. 1832, p. 132, and 
Poiss. Foss. vol. V. pt. ii. (1835-39), p. 27, pi. Ivii. fig. I.— 
Upper Miocene; Oeningen, Baden. [Imperfect fish ; 
olim Lavater Coll., Zurich.] 
Leuciscus medius, A. E. Beuss, ojp. cit. vol. ii. (1844), p. 262 
