Figure 77. Dactylobatus armatus, male, 278 mm long, from off South Carolina, Lat. 32°36' N, Long. JJ°2()' W, 

 258 fathoms. Albatross St. 2624 (U. S. Nat. Mus., No. 62914). A Side view of posterior part of tail, about 1.4 X. 

 B Margin of left-hand nasal curtain, about 8 x . C Hooked thorn from lower surface of outer corner of pectoral 

 fin, about 14 x. 



