174 



CRETACEOUS AND TERTIARY FISH. 



large, thick, also large and narrowly exposed below lateral line, 

 where in seven longitudinal series and not less than two above. 

 In lateral line 23 scales, possibly a few more, as point of departure 

 from suprascapula lost and greater part of cranium broken away. 

 Sculpture of scales consists of a series of radiating ridges, whose 

 interspaces are equal to them, and whose extremities project as 



Fig. 106. — Beryx insculptus Cope. (Type, from Hussakof.) 



short acute points. These ridges interrupted at short distance 

 from middle of exposed surface, forming irregular obtuse eleva- 

 tions, while middle of area divided by shallow grooves into 

 irregular areas. Whole sometimes crossed by one or two shallow 

 interrupted concentric grooves. Tubes of lateral line not extend- 

 ing behind middle of exposed area, acute, with an areolate rugose 



