PALTEOXTSCTD.n. 
439 
15415, 15415 a. Two imperfect specimens in counterpart, the first 
about 0*11 in total length and displaying all the fins 
except the extremity of the caudal; Borschweiler and 
Lebach. Purchased , 1843. 
P. 978. Imperfectly preserved small individual; Borschweiler. 
Egerton Coll. 
32577, 36128. Two small specimens, the first in counterpart ; 
Lebach. Purchased , 1857, 1860. 
P. 359, P. 979 a. Two small specimens, the second labelled by 
Agassiz; Lebach. Egerton Coll. 
P. 980, P. 3459. Two small specimens, in counterpart, one half of 
the second labelled A. lateralis, and the other half both 
latus and lateralis , in Agassiz’s handwriting; Lebach. 
Egerton Sf Enniskillen Colls. 
P. 3459 a. Small imperfect specimen, in counterpart, labelled A. 
lateralis by Agassiz ; Lebach. Emiskillen Coll. 
28487. Well-preserved remains of a very small individual, in 
counterpart; Saarbriiek. Purchased, 1853. 
Amblypterus traquairi 9 sp. nov. 
[Plate XV. fig. 2.] 
Type. Imperfectly preserved fish; British Museum. 
Trunk regularly fusiform, the caudal pedicle robust, and the 
dorsal contour not much arched; maximum depth contained about 
four times in the total length. Head and opercular apparatus 
occupying one quarter of the total length ; external bones coarsely 
striated. Pins relatively large, the pelvic pair scarcely smaller 
than the pectorals, arising midway between the latter and the anal; 
dorsal and anal fins longer than deep, the dorsal arising at about 
the middle point of the back, and the anal opposed to its hinder 
two thirds. Scales relatively large, apparently all smooth. 
Form, Loc. Lower Permian: Rhenish Prussia. 
P. 994, P. 3457. Type specimen 0*2 in length, preserved in coun¬ 
terpart, and shown, about three-quarters nat. size, in 
PI. XV. fig. 2 ; Lebach. The bones of the head are much 
scattered, but the outlines of some are distinct. 
Egerton 4’ Enniskillen Colls, 
