366 Memoir Sears Foundation for Marine Research 



Figure 86. Dasyatis guttata, immature male, 45; mm wide, from Para, Brazil (Harv. Mus. Comp. Zool., 

 No. 573). A Ventral view of pelvic fins of same. B Side view of middle part of tail of same, about 0.7 X . C Side 

 view of tail, between vertical lines marked on B, to larger scale. D Cross section of tail a little rearward from 

 tip of tail spine. E Large tubercles and small, from midline of disc a little rearward from shoulder region, about 

 3.2 X- F Side view of tip of tail spine, about 7.3 X. G Nostrils and mouth of female, 286 mm wide, from Rio 

 de Janeiro (Harv. Mus. Comp. Zool., No. 322). 



