CYPRIXIDJE. 
309 
35709. Two large specimens, one wanting end of tail; Rott. 
Purchased, 1860. 
33491. Large tail; Rott. Purchased, 1858, 
33297-98, 33488, 33495. Rive small specimens ; Rott. 
Purchased, 1858. 
35547. Small specimen, slightly elongated by distortion; Rott. 
Presented hy W. J. Neville, Psq., 1859. 
42730 a. Imperfect small trunk ; Rott. Pan Breda Coll. 
P. 1824, P. 3861, P. 4319. Rour small specimens ; near Bonn. 
Egerton Ennishillen Colls. 
28278. Portion of very large trunk, doubtfully of this species ; 
Rott. Purchased, 1853. 
Leuciscus leptus, Agassiz. 
1832. Leuciscus leptus, L. Agassiz, Neues Jahrb. p. 131 (name only). 
1835-39. Leuciscus leptus, L. Agassiz, Poiss. Ross. vol. v. pt. ii. p. 28, 
pi. lix. 
Type. Imperfect head and abdominal region. 
A very small, imperfectly definable species, known only by 
fragments. Yertebree 19 in abdominal, 17 in caudal region; 
15 pairs of ribs. Rins and general proportions apparently as in 
L. papyraceus. 
Form. Log. Lower Miocene : Germany. 
28405-06. Two fragments ; Polirschiefer, Habicbtswald, near 
Cassel. Mantell Coll. 
43441. Two fragments ; Habicbtswald. 
Presented hy Kenneth Murchison, Esq., 1872. 
P.1823. Two fragments; Habicbtswald. Egerton Coll. 
The three existing species Leuciscus rutilus (Linn.), L. erythroph- 
ihalmus (Linn.), and L. cephalus (Linn.), seem to be represented by 
pharyngeal teeth in the RorescBed Series of Horfolk (E. T. Hewton, 
Vert. Rorest Bed [Mem. Geol. Surv. 1882], pp. 124-126, pi. xviii. 
figs. 17, 18). The first of these species is represented in the 
Collection by the following specimens : — 
P. 8742. Right pharyngeal, figured by Hewton, loc. cit. pi. xviii. 
fig. 17; Rorest Bed Series, West Runton. Bavin Coll. 
