3o8 Memoir Sears Foundation for Marine Research 



Figure 71. Breviraja spinosa, female, 288 mm long, from off northern Florida, Lat. 3o°58' N, Long. 79°34' W, 

 Atlantis St. 3781, 250-290 fathoms (Harv. Mus. Comp. ZooL, No. 36373, type). A Lower surface of mid- 

 anterior part of head. B Ventral view of pelvics. C Side view of posterior part of tail, about 1.2 X. D Left-hand 

 nostril, about 6.4 x. E Margin of right-hand nasal curtain, about 6.4 X. F Upper teeth, about 12 X. 



of tail from center of cloaca about 1.6 times as great as distance from cloaca to snout 

 on young, about 1.4 times on larger; the lateral folds narrow, confined to posterior third 

 of tail. 



