﻿TAL.E0NISC1DJK. 401) 



Elonichthys serratus, Traquair. 



1881. Elonichthys sejratus, R. II. Traquair, Trans. Roy. Sec. Edinb. 

 vol. xxx. p. 22, pi. i. figs. 5-8. 



Type. Imperfect fish ; Geological Survey of Scotland. 



A small species, attaining a length of about 0*1. Cranial roof- 

 bones in part granulated ; other head-bones and pectoral arch 

 irregularly striated. Pins relatively small, the raj s sparsely striated 

 longitudinally. Scales small, those of the flank somewhat deeper 

 than broad ; all exhibiting a very coarsely serrated posterior margin. 

 Ornament of principal scales consisting of very delicate, irregular, 

 oblique striae anteriorly, with large, parallel, oblique ridges pos- 

 teriorly, these terminating in the hinder serrations. 



Form, fy Loc. Calciferous Sandstone (Cement-stone Group) : Esk- 

 dale, Dumfriesshire. 



P. 4062. Imperfect small individual, in counterpart, wanting the 

 pelvic, dorsal, and caudal fins. Purchased, 1883. 



Elonichthys (?) portlocki (Egerton). 



1850. Amblypterus portlocki, Sir P. Egerton, Quart. Journ. Geol. Soc. 



vol. vi. p. 2. 

 1877. JEvonichthys portlockii, R. H. Traquair, Quart. Journ. Geol. Soc. 



vol. xxxiii. p. 553. 



Type. Detached scales, &c. ; British Museum (in part). 



A species known only from scales and other fragments. Ein- 

 rays longitudinally striated ; fulcra prominent. Elank-scales 

 scarcely deeper than broad, ornamented with fine oblique striae, 

 straight, subparallel, rarely intercalated, and passing behind into 

 serrations of the posterior margin. 



Form. Sf Loc. Lower Carboniferous : Derry and Fermanagh, Ire- 

 land. 



P. 3460. Two groups of scales, one with imperfect pectoral and 

 anal fins ; Maghera. The anal fin-rays are distinctly 

 striated. Ennislcillen Coll. 



The following species have also been determined, but there are 

 no examples in the Collection : — 



■ Elonichthys binneyi, ~R. H. Traquair, Geol. Mag. [3] vol. v. (1888), 

 p. 251. — Lower Coal-Measures (Dalemoor-Rake Iron- 

 stone) ; Stanton-by-Dale, Derbyshire. [Imperfect fish ; 

 E. W. Binney Collection.] 



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