258 Memoir Sears Foundation for Marine Research 



Figure 56. Raja radiata. A Mature male, 530 mm long, from Massachusetts Bay (Harv. Mus. Comp. ZooL, 

 No. 249). B Mouth and nostril of female, 576 mm long, from Nahant, Massachusetts (Harv. Mus. Comp. Zool., 

 No. 254). C Margin of nasal curtain of same, about 2.3 X . i) Upper teeth of female, from Grand Manan Island, 

 New Brunswick (Harv. Mus. Comp. Zool., No. 1 3 2), about 4.6 X • £ Upper teeth of mature male, from Ivigtut 

 Fjord, West Greenland (Harv. Mus. Comp. ZooL, No. 36557), about 4.6X. 



