Fishes of the Western North Atlantic 



lOI 



Descripion. Proportional dimensions in per cent of total length. Female, 982 mm., 

 from Mass. (Harv. Mus. Comp. Zool., No. 436). Male, 1,081 mm., from Mass. (Harv. 

 Mus. Comp. Zool., No. 402). 



A 



Figure 14. Carcharias taurus, showing teeth from 

 jaws pictured in Fig. 1 3, about 2 x. A, B Third upper 

 tooth. C Seventh upper tooth. D Twelfth upper 

 tooth. E Seventeenth and eighteenth upper teeth. 

 F, G Third lower tooth. H Seventh lower tooth. 

 / Tenth lower tooth. J Seventeenth and eighteenth 

 lower teeth. 



Trunk at origin of -pectoral: hrezdih 10.7, 10.2; height 12.2, 10.7. 



Snout length in front of: outer nostrils 3.4, 3.3; mouth 3.7, 3.9. 



Eye: horizontal diameter 1.5, 1.2. 



Mouth: breadth 8.1, 8.0} height 4.7, 5.2. 



Labial furrow length: upper (visible part) 0.9, 0.9; lower 2.4, 2.3. 



Nostrils: distance between inner ends 3.1, 3.2. 



Gill opening lengths: ist S-Sj 5-i j 2nd 5.0, 5.1; 3rd 4.9, 4.6} 4th 4.9, 4.45 5th 



3-8, 34- 



First dorsal fin: vertical height 7.2, 6.6-, length of base 7.5, 8.4. 

 Second dorsal fin: vertical height 6.3, 6.1 ; length of base 7.0, 7.2. 

 Anal fin: vertical height 5.8, 5.95 length of base 7.1, 7.7. 

 Caudal fin: upper margin 30. i, 29.3 ; lower anterior margin 9.8, lO.o. 

 Pectoral fin: OMi^r margin 13.5, 14.2; inner margin 5.8, 6.0; distal margin 9.4, 9.5. 

 Distance from snout to: ist dorsal 40.8, 39.3; 2nd dorsal 56.8, 57.2; upper caudal 

 70.0, 70.5; pectoral 22.8, 22.8; pelvics 48.0, 49.5; anal 60.2, 61.7. 

 Interspace between: ist and 2nd dorsals 11.2, 10.8; 2nd dorsal and caudal 7.1, 

 6.2; anal and caudal 3.8, 2.8. 



Distance from origin to origin of: pectoral and pelvics 29.9, 27.5; pelvics and 

 anal 14.4, 14.1. 

 Trunk moderately stout, its height abreast pectoral origin about /'g, opposite origin 

 of dorsal about Vtj of the total length. Caudal peduncle relatively high and laterally com- 



