Fishes of the Western North Atlantic 



383 



from the vicinity of Woods Hole, not preserved; also measurements of 5 adult females, 

 3,1 15 to 3,465 mm., from Englewood, Florida,"' one of which was gravid; and a new- 

 born specimen, 848 mm., taken off Bay Chaland, Louisiana, in August 1930 (U.S. Bur. 

 Fish., No. 1360, in U.S. Nat. Mus.). 



! B 



Figure 71. Carcharhinui obscurus, female, 996 mm. long, from Woods Hole, Massachusetts (Harv. Mus. 

 Comp. Zool., No. 35312). A Right-hand pectoral fin. B Dermal denticles, about 16 x. C Upper and lower 

 teeth, left-hand side, 1.2 x. Z) Third upper tooth. E Ninth upper tooth. F Fourth lower tooth. G Tenth 

 lower tooth. D-G, about 2.6 x. 



Figure 72. Corckarhinus obscurus, pictured in Fig. 71. 

 A Anterior part of head from below, about 0.4 x natural 

 size. B Left-hand nostril, about 2.3 x. 



1 15. Contributed by Stewart Springer. 



