Fishes of the Western Nort/i Atlantic 



215 



Figure 46. Raja jenseni. A Juvenile male, 223 mm long, from eastern slope of Georges Bank, 1,255 fathoms 

 (U. S. Nat. Mus., No. 33457). B Thorn from head posterior to e}es (above) and from tail (below) of same, 

 enlarged. C Posterior part of tail of larger female illustrated in Fig. 45, about 1.2 X- D Upper teeth of same, 

 about 12 X. £ Apical and lateral views of tooth, about 12 X. 



First dorsal fin: vertical height 1.7, 1.8; length of base 5.0, 5.4. 



Second dorsal fin: vertical height 1.5, 2.0; length of base 5.2, 5.2. 



Pelvics: anterior margin 10.7, 11.5. 



Distance: from tip of snout to center of cloaca 51.5, 52.8 ; from center of cloaca 



to 1st dorsal 33.6, 32.5; to tip of tail 48.5, 47.2; from rear end of 2nd 



dorsal base to tip of caudal 3.9, 2.6. 

 Interspace between: ist and 2nd dorsals 0.8, 0.9. 



