﻿PALJEONISCrDJE. 430 



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, I860. 



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 

 lotus and lateralis, in Agassiz's handwriting ; Lebach. 



Egerton 8r EnnisTcillen Colls. 



P. 3459 a. Small imperfect specimen, in counterpart, labelled A. 

 lateralis by Agassiz ; Lebach. EnnisJcillen Coll. 



28487. Well-preserved remains of a very small individual, in 

 counterpart ; Saarbruck. Purchased, 1853. 



Amblypterus traquairi, 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. Fins 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. Sf 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 Sf EnnisTcillen Colls. 



