560 
ACTINOPTEKYGII. 
1876. Ephippus longipennis, F. Bassani^ Atti Soc. Veneto-Trent. Sci, 
Nat. vol. iii. p. 179. 
1886. Ephippus longipennis, W. Szajnocliaj Pamiet. Wydz. matem.-= 
przyr. Akad. Umiejet. Krakow, vol. xii. p. 108, pis, ii., iii. 
Type. Imperfect fish ; Paris Museum of Natural History. 
A species attaining a length of about 0*25. Maximum depth of 
trunk about equal to length from pectoral arch to base of caudal 
fin. Anterior dorsal fin with 8 spines, the fifth to seventh longest, 
all more slender at apex than in recent species; posterior dorsal 
with 1 spine and 18 to 20 articulated rays ; anal fin with 16 arti¬ 
culated rays in addition to the 3 spines. 
Form. Log. Upper Eocene: Monte Bolca, near Yerona. 
P. 2092, P. 3925. Fine specimen, in counterpart, showing ova in 
abdominal cavity as noticed by Agassiz, Poiss. Foss. vol. v. 
pt. ii. p. 76. Egerton ^ Ennishillen Colls. 
P. 9475. Smaller, more imperfect specimen, in counterpart. 
History v.nTcnown. 
The following extinct species have also been described but are 
not represented in the Co’llection :— 
Ephippus nicolisi, F. Bassani, Boll. Soc. Geol. Ital. vol. vii. 
(1888), p. 279, wdth plate.—Middle Eocene; Yal Sor- 
dina, near Lonigo, Yerona. [Imperfect fish; Nicolis Coll., 
Yerona.] 
Ephippus ohlongus, L. Agassiz, Neues Jahrb. 1835, p. 292, and 
Poiss. Foss. vol. iv. (1839-44), pp. 15, 228, pi. xxxix. 
fig. 3. Chcetodon asper, G. S. Yolta, Ittiolit. Yeronese 
(1796), p. xc. pi. XX. fig. 1. Chcetodon substriatus, H. D. 
de Blainville, Nouv. Diet. d’Hist. Nat. vol. xxvii. (1818), 
p. 352.—Upper Eocene ; Monte Bolca. [Imperfect fish ; 
Paris Museum of Natural History.] 
Extinct species, not represented in the Collection, have also been 
referred to existing genera of Chaetodontidse as follows:— 
Chcetodon hoeferi, D. G.Kramberger, Djela Jugoslav. Akad. vol. xvi. 
(1895), p. 60, and Soc. Hist. Nat. Croatica, vol. x. 
(1898), p. 30, pi. ii. fig. 2, pi. iii.—Upper Oligoeene; 
Tiiffer, Steiermark. [Imperfect fish; Academy of Mines, 
Leoben.] 
Chcetodon pseudorhomhus, P. Gervais, Zool. et Pal. Frang. (1852), 
Poiss. Foss. p. 9, pi. Ixxiii. fig. 2 {Chcetodon rhombus on 
plate).—Pliocene; Montpellier. [Generically indetermin¬ 
able imperfect trunk.] 
