332 Memoir Sears Foundation for Marine Research 



Figure 79. Pelvis of Myliobatoidea, ventral view (left) and dorsal view (right). A Dasyatis cenlroura, after Gar- 

 man. B Potamotrygon circularis, after Garman. C Gymnura altavela, after Garman. D Myliobatis freminvillii, 

 after Garman. E Mobula hypostoma, about 1,070 mm wide, from Cape Lookout, North Carolina (Harv. Mus. 

 Comp. ZooL, No. 1378), about 0.6 X. 



