﻿PAUEONISCmffi. 435 



P. 3444. Much crushed specimen, displaying the pectoral fin, the 

 ornamentation of some of the scales, head, and opercular 

 bones, and the relatively large size of the operculum ; 

 Wardie. Enuishillen Coll. 



42081. Hinder portion of maxilla ; Anstruthcr, Fifeshire. 



Purchased, 1870. 



Gonatodus macrolepis, Traquair. 



[Plate XVI. fig. 8.] 



1877. Gonatodus macrolepis, R. H. Traquair, Quart. Journ. Geol. Soc. 

 vol. xxxiii. p. 556, and Proc. Roy. Soc. Edinb. vol. ix. p. 271. 



Type. Fish ; Edinburgh Museum. 



Trunk somewhat more elongated than in the type species, the 

 maximum depth contained not less than four times in the total 

 length. Head and opercular bones striated, the striae more or less 

 interrupted and branching on the cranial roof and facial bones ; 

 teeth large and obtusely pointed, nearly equal in both jaws. Scales 

 very large, almost or entirely smooth ; those of the anterior part of 

 the flank with feeble traces of striae close to and parallel with the 

 anterior and inferior margins, and the hinder border delicately 

 serrated. 



Form. Sf Log. Carboniferous Limestone (Blackband Ironstone) : 

 Gilmerton, near Edinburgh, and (?) Possil, near Glasgow. 



P. 843, P. 843 a. Two typical specimens, with displaced squa- 

 mation, showing portions of all the fins, and the first also 

 exhibiting some of the teeth of both jaws ; Gilmerton. 

 The dentition is shown, of four times the natural size, in 

 PI. XVI. fig. 8. Egerton Coll. 



P. 3441. Much crushed specimen measuring 0'18 in length ; Gil- 

 merton. Ennishillen Coll. 



Gonatodus parvidens, Traquair. 



[Plate XVI. fig. 7.] 



1882. Gonatodus parvidens, R. H. Traquair, Geol. Mag. T2] vol. ix. 

 p. 546. 



Type. Fish ; Edinburgh Museum. 



Maximum depth of trunk contained somewhat less than four 

 times in bhe total length. Head and opercular bones ornamented 



2f2 



