﻿488 ACTINOPTERYGII. 



1848. EUmichthys germari, C. G. Giebel, Gaea Excurs. German, p. 161, 

 pi. vi. fig. 58. 



1849. Elonichthys germari, E. F. Gerniar, Verstein. Steinkohlengeb. 

 Wettin, p. 74, pi. xxx. figs. 1-4. 



Type. Imperfect fish ; Halle University Museum. 



The type species of moderate size. Head with opercular 

 apparatus occupying about one quarter of the total length ; external 

 bones coarsely and irregularly marked with striations, often 

 subdivided into elongated tubercles. Fin-rays very robust, obliquely 

 striated. Scales relatively large, and those of the flank scarcely 

 deeper than broad; none posteriorly serrated. Scale-ornament 

 consisting of branched and intercalated striae, very prominent in the 

 abdominal region, but feeble towards the extremity of the tail ; the 

 striaa of each scale directed for the most part antero-posteriorly and 

 divided into two unconformable areas by the diagonal extending 

 from the antero-superior to the postero-inferior angle. 



Form. Sf Log. Coal-Measures : Province of Saxony. 



P. 4395. Portions of head-bones and fin-rays, with numerous 

 scattered scales ; Wettin, near Halle. Ennishillen Coll. 



Closely related to this species, but somewhat smaller, is the fish 

 named Elonichthys caudalis, P. H. Traquair, Ganoid Fishes Brit. 

 Carb. Form. (Pal. Soc. 1877), p. 53, pi. v. figs. 1-4. The type 

 specimen is preserved in the collection of John Ward, Esq., Longton, 

 and was obtained from the Knowles Ironstone (Coal-Measures), 

 Fenton, North Staffordshire. 



Elonichthys semis triatus, Traquair. 



1873. Pyqopterus, T. P. Barkas, Coal Meas. Palseont, p. 37, fig. 130 



(? fig. 131). 

 1877. Elonichthys semistriatus, R. H. Traquair, Ganoid Fishes Brit. 



Carb. Form. (Pal. Soc), p. 49, pi. iii. figs. 9-12, pi. iv. figs. 1-3 ; 



also Quart. Joum. Geol. Soc. vol. xxxiii. p. 577. 



1889. Elonichthys se?7iistriatus, H. Bolton, Trans. Manchester Geol. Soc. 

 vol. xx. p. 215. 



1890. Elonichthys semistriatus, J. Ward, Trans. N. Staffs. Inst. Mining 

 Engin. vol. x. p. 172, pi. v. fig. 4. 



Type. Middle portion of fish ; collection of John Ward, Esq. 



A very large species, attaining a maximum length of not less 

 than 0-55. Cranial roof-bones tuberculated, facial bones striated, 

 and mandible longitudinally striated. Teeth smooth and slender, 

 with mucb incurved apices. Fin-rays longitudinally striated ; fulcra 



