CHJLTODONTIDiE. 
559 
The following species have been described but are not repre¬ 
sented in the Collection :— 
Proantigonia longirostra^ D. G. Kmmberger, Ead Jugoslav. Akad. 
vol. cvi. (1891), p. 110^ Metoponichtliys longirostris^ 
D. G. Kramberger, Beitr. Palaont. Oesterr.-Ungarns, 
vol. ii. (1882), p. 104, pi. xxiv. fig. 1.—Upper Miocene ; 
Dolje, Croatia. [Type species of Metojponichthys. Jm-iq 
perfect fish ; Geological Museum, University of Agram.] p/ ^ 
Proantigonia octacanilia, D. G. Kramberger, loc. cit. 1891, p. Ill, 
pi. ii. fig. 1. MetoponicJithys octacanthus, D. G. Kram- 
Ibid. 
berger, loc. cit. 1882, p. 106, pi. xxiv. fig. 2.—Ibid. [Ditto.] 
Proa7itigonia radobojana, D. G. Kramberger, loc. cit. 1882, p. 131, 
pi. xxvii. figs. 5, 6.—Upper Miocene; Eadoboj, Croatia. 
[Type species. Ditto.] a gP’ C 
Proantigonia steindaclinein., D. G. Kramberger, loc. cit. 1882, 
p. 132, pi. xxvii. fig. 7, and loc. cit. 1891, p. Ill, pi. ii. 
fig. 2 (scale only).—Ibid. [Ditto.] = C<xf?njr% 
Genus EPHIPPUS, Cuvier. 
[Eegne Animal, vol. ii. 1817, p. 335.] 
Snout short, with upper profile parabolic owing to hyperostosis 
of cranial roof ; no palatine or vomerine teeth ; preoperculum finely 
serrated but without spine. Pectoral fins small, not falciform; 
dorsal fin deeply notched between spinous and articulated portions, 
the former not scaly but comprising 8 or 9 spines, of which the 
middle are the longest; 3 anal fin-spines ; caudal fin truncate or 
slightly emarginate. Scales small and regularly arranged. 
Existing in the tropical Atlantic and Indian Oceans. 
Ephippus rhombus (Blainville). 
1796. ChcBtodon mesoleucus, G. S. Volta, Ittiolit. Veronese, p. xli. pi. x, 
fig. 1 {errore). 
1796. Chcetodon chirurgus, G. S. Volta, ibid. p. clxxTii. pi. xliii. 
(errore). 
1818. ClKstodon chirurgus, Jl. D. de Blainville, Nouv. Diet. d’Hist. 
Nat. vol. xxvii. p. 353. 
1818. Chcetodon rhombus, H. D. de Blainville, ibid. p. 353. 
1823. Chcetodon rhomboides, J. F. Kruger, Gesch. Urwelt, pt. iil 
p. 671. 
1842-44. Ephippus longipennis, L. Agassiz, Poiss. Foss. vol. iv. pp. 15, 
225, pi. xl. [Imperfect fish ; Paris Museum of Natural History.] 
1859. Ephippus longipennis, A. B. Massalongo, Specimen Pliotogr. 
Anim. Foss. Agr. Veron. p. 34, pi. ix. 
