505 
LEPTOLEPIDJE. 
1876. Leptolepis saltviciensis, J. F. Blake, in Tate & Blake, Yorkshire 
Lias, p. 260, pi. iii. fig. 1. 
1884. Leptolepis saltviciensis, M. Simpson, op. cit. ed. 2, p. 16. 
Type. Nearly complete fish ; Whitby Museum. 
A small species closely related to L. bronni, apparently only 
differing from the latter in the comparatively less deepened form of 
the abdominal region and in the greater tenuity of the skeleton. 
Form. Sf Log. L T pper Lias: Yorkshire. 
P. 4369, P. 3668. Fine specimen about 0*085 in length, and three 
smaller specimens ; Whitby. FnnisJcillen Coll. 
P. 951, P. 351. A small fish exhibiting all the fins, and two other 
specimens; W T hitbv. Egerton Coll. 
P. 512. Imperfect contorted fish, 0*065 in length, in similar matrix 
to the above, but labelled “ Street ” by Agassiz and 
Egerton; intended to be the type specimen of the unde¬ 
fined Leptolepis jilipennis, Ag. Egerton Coll. 
41724. Fish in counterpart, displaying the caudal vertebrae; Whitby. 
Toulmin Smith Coll. 
P. 7586. Another specimen, exhibiting the caudal vertebrae and 
paired fins ; Whitby. History unknown. 
36017, 36316. Slab with two fishes and another specimen; Whitby. 
Purchased , 1851, 1860. 
P. 938. Three imperfect much crushed and distorted specimens, 
labelled “ Leptolepis Jilipennis ? ” by Egerton, doubtfully 
ascribed to this species ; Whitby. The squamation is not 
shown as in the specimens mentioned above, and the ver¬ 
tebrae are so much crushed that they have the appearance 
of being relatively deeper. Egerton Coll . 
Leptolepis jaegeri, Agassiz. 
1832. Leptolepis jaegeri, L. Agassiz, Neues Jahrb. p. 146. 
1832. Leptolepis longus, L. Agassiz, ibid. p. 146. 
1844. Leptolepis jaegeri, L. Agassiz, Poiss. Foss. vol. ii. pt. ii. p. 133. 
1844. Leptolepis longus, L. Agassiz, ibid. p. 133. 
Type. Nearly complete fish. 
A species slightly exceeding the type in size, and with very 
delicate skeleton. Head with opercular apparatus occupying nearly 
one-fifth of the total length of the fish; caudal pedicle compara- 
