52 



PROCEEDINGS OF THE NATIONAL MUSEUM 



(Alabama): USNM 119827 (1), near Cedar Pt., Mississippi Sound. 

 (Florida): USNM 26582 (1), UF 1407 (4), UF 5649 (1), UF 7061 (1), 

 UF 8948 (1), Cedar Key, Levy Co.; USNM 30687 (1), Pensacola; 

 USNM 34733-34734 (2), St. Marys River; USNM 39882 (1), off Cape 

 Sable; USNM 47334 (1), USNM 184870 (1), Tampa Bay; USNM 

 57242 (1), Alligator Light; USNM 62773 (1), USNM 118995 (1), 

 FMNH 7038 (1), Key West; USNM 92594 (1), USNM 116888 (1), 

 MCZ 755 (1), Tortugas; USNM 108455 (1), SU 14329 (1), Englewood; 

 USNM 125763 (1), near West Pass, Apalachicola Bay; CAS 19306 (1), 

 MCZ 35847 (1), Pine Island Sound; UF 1416 (1), Daytona Beach pier, 



Figure 11. — Sphyrna tihuro: a, juvenile female, 367 mm. TL, from Rio de Janeiro, Brazil 

 (MCZ 90); b, head of same specimen, ventral view; c, upper and lower teeth, left side, of 

 male, 812 mm. TL, from Tortugas, Fla. (MCZ 848), about 1.5 X ; d, fourth upper tooth; 

 e, tenth upper tooth;/, second lower tooth; g, seventh lower tooth; h, tenth lower tooth; 

 I, dermal denticles, about 14 X (MCZ 90); ;, lateral and apical views of dermal denticle, 

 about 26 X. (i-A, about 3 X .) (From Bigelow and Schroeder, 1948, p. 421.) 



Volusia Co.; UF 4208 (1), Fernandina Beach, Nassau Co.; UF 4211 

 (1), St. Augustine, St. Johns Co.; UF 7061 (1), Spanish Harbor Key 

 (west end-Atlantic side), Monroe Co. (Georgia): UF 5463 (1), off 

 St. Simons Island, Glynn Co. (Louisiana): USNM 127114-127115 (2), 

 Barataria Bay channel; USNM 127116 (1), Bayou Fifi; USNM 155648 

 (1), Gulf of Mexico, south of New Orleans, 28°36' N., 91°00' W. 

 (Mississippi): USNM 147793 (1), no further data; FMNH 21590 (1), 

 Horn Island. (New Jersey): USNM 9270 (1), Delaware Bay, 

 Beesleys Pt., between Great Egg and Peck Bays. (North CaroUna): 

 USNM 51894 (3), Beaufort. (Rhode Island): ANSP 581 (1), New- 

 port. (South Carolina): USNM 25171 (1), MCZ 78 (skin), Charles- 



