Fishes of the Western North Atlantic 



429 



Description. Proportional dimensions in per cent of total length. Male, 673 mm., 

 from Englewood, Florida (U.S. Nat. Mus., No. 106543). 



Trunk at origin of pectoral: breadth 10.4; height 10.4. 

 Snout length in front of: outer nostrils 3.1 5 mouth 7.0. 

 Eye: horizontal diameter 2.4. 

 Mouth: breadth 6.0; height 3.3. 

 Nostrils: distance between inner ends 16.9. 



Gill opening lengths: ist 2.8; 2nd 2.9; 3rd 3.0; 4th 2.8; 5th 2.4. 

 First dorsal fin: vertical height 1 1-9; length of base lO.i. 

 Second dorsal fin: vertical height 4.4; length of base $•(>• 

 Anal fin: vertical height 4.0; length of base 6.7. 

 Caudal fin: upper margin 30.O; lower anterior margin 10.4. 

 Pectoral fin: onttr mzTgin 12.3; inner margin 4.4; distal margin 9.2. 

 Distance from snout to: ist dorsal 25.4; 2nd dorsal 57.3; upper caudal 70.O; pec- 

 toral 20.2; pel vies 43.7; anal 55.9. 



Figure 83. Sfhyrna tudes, about l,66o mm. long, from Englewood, Florida (U. S. Nat. Mus., No. 108453). 

 A Anterior part of head from below. B Left-hand upper and lower teeth of same, about 1.3 x. C Fifth upper 

 tooth. D Twelfth upper tooth. E Fifth lower tooth. F Eleventh lower tooth. C-F, about 2 x. 



