DEVONIC FISHES OF THE NEW YORK FORMATIONS 43 



Bothriolepis canadensis Whiteaves 



Text figures 10-12 



1 880 Pterichthys (Bothriolepis) canadensis J. F. Whiteaves. Am. 

 Jour. Sci. [3] 20: 132 



1881 Pterichthys (Bothriolepis) canadensis y.i^ Whiteaves. Can. Nat. 

 n. s. 10: 26, 28 



1885 Bothriolepis canadensis E. D. Cope. Am. Nat. 19: 290 

 1887 Bothriolepis canadensis E. D. Cope. Origin of the Fittest, p. 323, 

 fig. 62 



1887 Pterichthys (Bothriolepis) canadensis J- F. Whiteaves. Roy. 

 Soc. Can. Trans, v. 4, § 4, p. loi, pi. 6-g 



1888 Bothriolepis canadensis R. H. Traquair. Geol. Mag. [3] 5 : 509, and 

 Ann. Mag. Nat. Hist. [6] 2: 496, pi. 18, fig. 6 



1889 Bothriolepis canadensis J- F. Whiteaves. Roy. Soc. Can. Trans, v. 6, 



§ 4, P- 91 



1892 Bothriolepis canadensis A. S. Woodward. Geol. Mag. [3] 9: 484 



1893 Bothriolepis canadensis H. S. Williams. Am. Jour. Sci. [3] 46:286, 

 text fig. 3-5 



1898 Bothriolepis canadensis E. D. Cope. Syllabus of Lectures on Verte- 



brata, p. 16, fig. 2 

 1898 Bothriolepis canadensis A. S. Woodward. Outlines of Vertebrate 



Palaeontology, p. 14, fig. 13-15 

 1904 B o t h r i o 1 e p i s c a n a d e n s i s W. Patten. Biol. Bui. 7: 113, fig. 1-6 

 1904 Bothriolepis canadensis R. H. Traquair. Fishes Old Red Sandstone, 



Monogr. Pal. Soc. 2, pt 2, p. 109, fig. 57-59 



A species of moderate size, the head and trunk attaining a length of 

 about 0.17. Head much broader than long, about one half as long as the 

 dorsal armoring of the trunk ; trunk broadly ovate, the sides overhanging 

 the narrowly ovate ventral surface. Proximal segment of pectoral append- 

 ages broad, but elongated ; distal segment relatively slender, only slightly 

 ornamented, two thirds as long as the proximal segment ; outer and inner 

 margins coarsely serrated. Anterior median dorsal plate as broad as long, 

 more or less keeled in its posterior two thirds ; posterior median dorsal 

 plate longitudinally keeled, the keel rising to a slight eminence near the 

 posterior margin. Ornament consisting of fine rounded tubercles fused 

 into nodose, vermiculating ridges ; those near the edges of the dorsal plates 

 often displaying concentric arrangement. ( Woodwarcf) 



