492 
ACTINOPTERYGTI. 
1833. Amblypterus eupterygius, L. Agassiz, ibid. pp. 4, 36, pi. i. fig. 8, 
pi. iii. figs. 5, 6. [Stuttgart Museum.] 
184/. Amblypterus macropterus, Goldfuss, Beitr. vorweltl. Fauna 
Steinkohlengeb. p. 20, pi. y. figs. 1-8. 
1848. Amblypterus macropterus, 0. G. Giebel, Fauna der Vorwelt, 
Fisclie, p. 252. 
1848. Amblypterus eurypterygius, C. G. Giebel, ibid. p. 253. 
185/. Wiabdolepis macropterus , F. H. Troschel, Verhandl. naturli. 
herein, preuss. Rheinl. u. Westpbal. p. 15, pi. ii. fig. 15. 
1857. Wiabdolepis eupterygius, F. II. Troschel, ibid. p. 15, pi. ii. fig. 14. 
1873. Amblypterus eupterygius , F. Goldenberg, Fauna Sarsepontana 
Fossilis, pt. i. p. 5, pi. i. fig. 2. 
1877. Hhabdolepis macropterus , R. II. Traquair, Quart. Journ. Geol. 
Soc. vol. xxxiii. p. 552, and Ganoid Fishes Brit. Carb. Form. (Pal. 
Soc.), pi. ii. fig. 6. 
Type. Nearly complete fishes. 
A species of moderate [or large] size. Length of head with oper¬ 
cular apparatus nearly equal to the maximum depth of the trunk, 
which is contained about four and a half times in the total length ; 
opercular apparatus very narrow ; cranial roof-bones tuberculated, 
other external hones striated. Fin-rays longitudinally striated; 
pelvic fins arising midway between the pectoral and the anal; 
median fins relatively large, the dorsal and anal of nearly equal 
size. Scales relatively small, as broad as deep upon the flank, 
ornamented with irregular delicate oblique striae, of which two, 
three, or four at the inferior border of the flank-scales become 
nearly parallel with that border ; hinder border without serrations. 
This is the t} T pe species of Wiabdolepis, Troschel. 
Form. <$f Loc. Lower Permian : Rhenish Prussia \ 
15414. Fish in counterpart, 0*12 in length ; Lebach. 
Purchased, 1840. 
15598. Larger specimen, in counterpart, displaying striations upon 
the maxilla, mandible, and fin-rays; Lcbach. 
Purchased , 1843. 
21529a. Small robust fish, in counterpart; Lebach. 
Purchased , 1847. 
22658 h. Two specimens in counterpart; Lebach. 
Purchased, 1848. 
1 Fragments of an uncertain species from the Coal-Measures of Wettin, Pro¬ 
vince of Saxony, are also assigned to the so-called Amblypterus macropterus by 
E. F. Germar, Verstein. Steinkohlengeb. Wettin (1S49), p. 73, pi. xxix. figs. 
10 , 11 . 
