CTPRINTDJ5. 
307 
9 *20. Small distorted fish. 
35525-26. Two fragmentary specimens. 
42798. Distorted specimen. 
Purchased. 
Purchased, 1859. 
Van Breda Coll. 
Leuciscus papyraceus (Bronn). 
1828. Cyprinus papyraceus, H. G. Bronn, Zeitschr. f. Mineral, vol. i. 
P- 380, pi. iii. fl g. o. 
'32. Leuciscus papyraceus, h. Agassiz, Xeues Jahrb. p. 132. 
8 f- Leuciscus cephalon, Zenker, Xeues Jahrb. p. 395, pi. v. figs. 3-5. 
835-39. Leuciscus papyraceus, L. Agassiz, Poiss. Foss. vol. v. pt. ii. 
. P’ 31, pi. lvi. figs. 1-4 (?5). 
839. Leuciscus cephalon, L. Agassiz, ibid. p. 32. 
1848 - Leuciscus papyraceus, C. G. Giebel, Fauna der Vorwelt, Fiscbe, 
„ p. 110. 
1854. Leuciscus papyraceus, F. G. Troschel, Verhandl. naturw. \er. 
preuss. Rbeinl. vol. xi. p. 19, pi. ii. fig. 2. 
fype. Imperfect fish ; olim Bronn Collection, Heidelberg. 
A very small species with comparatively delicate skeleton. 
J Cngth of head with opercular apparatus exceeding the maximum 
e pth of the trunk, which is contained between four and five times 
' n the total length of the fish to the base of the caudal fin. About 
30 vertebrae, half being caudal ; 14 pairs of ribs. Pelvic fins, with 
al)out 9 rays, arising opposite the origin of the dorsal, which also 
comprises 9 or occasionally 10 rays, the foremost being a short 
8 P>ne, the second articulated, the others both articulated and 
lv ided distally ; anal fin similar to dorsal, arising much nearer to 
Pelvic pair than to caudal fin. 
Form, (!if Loc. Upper Oligocene : Germany ; (?) also Bilin, 
■Bohemia. 
7666. 
Fine specimen 0‘1 in length, associated with fragment ; 
Lignite, Itott, near Bonn. Purchased, 1895. 
33297 a, 33499. Seven specimens ; Rott. Purchased , 1853. 
^828. Three small specimens ; Rott. Eyerton Coll. 
889. Imperfect small specimen ; Rott. Purchased. 
1825. Three diminutive specimens, labelled “ Leuciscus cephalon , 
Zenk.” by Agassiz ; Lignite, Liuz on Rhine. 
Eyerton Coll. 
x 2 
