558 
actinopterygii. 
41994. Imperfect small fish. Purchased, 1870. 
P. 498, P. 3922. Imperfect fish in counterpart, shortened by dis- 
tortion, described by Agassiz as the type specimen of tbo 
so-called Pygae us gihhus. Egerlon Enniskillen Colls. 
The following species, which are not represented in the Collection, 
have also been ascribed to this genus, but they are very imperfectly 
known : — 
Pygams dorsalis, L. Agassiz, Neues Jahrb. 1835, p. 302, and 
Poiss. Foss. vol. iv. (1838-42). pp. 16*, 255, pi. xliv. 
1- — Ipper Eocene; Monte Bolca. [Imperfect fish; 
Palaeontological Museum, Munich.] 
Pijgwus gigas, L. Agassiz, loc. cit. 1835, p. 302, and tom. cit. 
1838-44, pp. 16, 252, pi. xx. Spams holcanus, 0. S. 
Yolta, Ittiolit. Veronese ( 1796), p. eexliii. pi. lix. Lahrus 
punctatus , (i . 8. \olta, ibid. p. clxxxix. pi. xlvi. (error*') . 
Labrus rectifrons and L. punctatus, H. D. de Blainville, 
Nouv. Diet. d’Hist. Nat. vol.xxvii. (1818), p. 351 .— Ibid. 
[Imperfect fish ; Paris Museum of Natural History.] 
Pygceus nobilis, L. Agassiz, loc. cit. 1835, p. 302, and tom. cit. 
1833-42, pp. 17, 253, pi. xliv. figs. 6, 7. Cluetodon 
(anus, G. 8. \olta, op. cit. 1796, p. cclxx. pi. lxv. fig. 1 
(enore). Ibid. [Imperfect fish; Palaeontological Museum, 
Munich.] 
Pggceus nuchalis, L. Agassiz, loc. cit. 1835, p. 302, and tom. cit. 
1838-44, pp. 16*, 255, pi. xliv. fig. 2.— Ibid. [Ditto.] 
Eygceus oblongus, L. Agassiz, tom. cit. 1838-44, pp. 16*, 254, 
pi. xliv. figs. 3, 4. — Ibid. [Imperfect fish.] 
Pygceus zignoi, F. Bassani, Atti li. Accad. Sci. Napoli [2] 
vol. iii. (1889), no. 6, p. 93, pi. xvii. — Lower Miocene; 
Chiavon, Vicentin. [Imperfect fish; Zigno Coll., Uni- 
versity of Padua.] 
Genus PI? O ANTI GO NT A, Kramberger. 
[Beitr. Palaont. Oestcrr.-Ungarns, vol. ii. 1882, p. 130.] 
Syn. Metoponichthys, D. G. Kramberger, loc. cit. 1882, p. 104. 
An imperfectly known extinct genus comprising small species 
with large head and snout not much produced. Preoperculum 
with small spines at angle, and supraclavicle serrated. Spinous 
portion of dorsal fin much more elevated and extended than 
articulated portion ; pelvic fin-spino very large, accompanied by 5 
articulated rays. Scales thin, bearing few spinous tubercles. 
