Fishes of the Western North Atlantic 



379 



Figure 90. Dasyatis say. A Female, 280 mm wide, from Apalachicola, Florida (U. S. Nat. Mus., No. 1272? 

 B Side view of middle part of tail of same, about 0.9 X . C Dorsal view of newly formed tail spine, as well as 

 base of fully formed spine of same, about i .7 X . ^ Side view of tail spines of male, 260 mm wide, from Beaufort, 

 North Carolina (U. S. Nat. Mus., No. 54895), about 0.9 X. E Mouth and nostrils of female, 482 mm wide, 

 from St. Vincent Island, Florida (U.S.Nat. Mus., No. 123625), about 0.9X. 



further differentiated from T). guttata by the different dermal armature (cf. Fig. 90 with 

 86). Close examination is needed to distinguish a tailless D. say from D. americana or 



