﻿PALJEONISCIDiE. 449 



Eurylepis tuberculata, Newberry. 



1856. Mecolepis tuberculatus, J. S. Newberry, Proc. Acad. Nat. Sci. 



Philad. vol. viii. p. 96. 

 1873. Eurylepis tuberculatus, J. S. Newberry, Rep. Geol. Surv. Ohio, 



vol. i. pt. ii. p. 350, pi. xxxviii. figs. 2, 3. 



Type. Pish ; Columbia College, .New York. ■ 



The type species, attaining a maximum length of about 0*08. 

 Length of head with opercular apparatus about equal to the 

 maximum depth of the trunk, and occupying one-fourth of the 

 total length of the fish. Cranial roof-bones ornamented with large 

 rounded rugae and tuberculations, facial bones with finer corru- 

 gations. Scales smooth, denticulated in the abdominal region ; 

 anterior scales of principal series nearly five times as deep as broad. 



Form. Sf Loc. Coal-Measures : Linton, Ohio. 



P. 1005. Three specimens labelled by Dr. Newberry. Egerton Coll. 



P. 3449. Two specimens and one in counterpart, labelled by Dr. 

 Newberry. Enniskillen Coll. 



Eurylepis granulata, Newberry. 



1856. Mecolepis yranulatus, J. S. Newberry, Proc. Acad. Nat. Sci. 



Philad. vol. viii. p. 97. 

 1856. Mecolepis insculptus, J. S. Newberry, ibid. p. 97. [Columbia 



College, New York.] 

 1873. Eurylepis yranulatus, J. S. Newberry, Rep. Geol. Surv. Ohio, 



vol. i. pt. ii. p. 352, pi. xxxix. fig. 5. 

 1873. Eurylepis insculptus, J. S. Newberry, ibid. p. 351, pi. xxxix. 



fig. 2. 



Type. Pish ; Columbia College, New York. 



General proportions as in the type species. Cranial roof-bones 

 ornamented with sharp corrugations and occasional intervening 

 granulations. Scales comparatively thin, more or less rugose and 

 tuberculated in the anterior part of the abdominal region, with a 

 faint double waved line along the anterior margin, and fine posterior 

 serrations ; foremost scales of principal lateral series about four 

 times as deep as broad. 



Form. Sf Loc. Coal-Measures : Linton, Ohio. 



P. 1007. Two well-preserved specimens. Egerton Coll. 



P. 3450. Similar specimen, labelled E. yranulatus by Dr. Newberry. 



Ennis7cillen Coll. 



PART II. 2 G 



