296 Memoir Sears Foundation for Marine Research 



Mouth: breadth 6.2, 6.75 height 5.2, 5.1. 



Nostrils: distance between inner ends 4.6, 4.6. 



Labial furrow lengths: upper 1.8, 2.2; lower 1.5, 1.5. 



Gill opening lengths: ist 1.9, 2.1; 2nd 2.1, 2.2; 3rd 2.2, 2.3; 4th 2.2, 2.3; 5th 



1.9,2.1. 



First dorsal fin: vertical height 7.8, 8.4; length of base 9.1, 8.1. 



Second dorsal fin: vertical height 2.1, 2.2; length of base 2.7, 3.0. 



Anal fin: vertical height 2.4, 2.8; length of base 4.7, 5.0. 



Caudal fin: upper margin 24.4, 25.5; lower anterior margin 9.7, ii.O. 



Pectoral fin: outer margin 12.6, 13.5; irmer margin 5.0, 5.7; distal margin 9.3, 



1 0.0. 



Distance from snout to: ist dorsal 31.2, 32.7; 2nd dorsal 64.9, 64.O; upper caudal 



75.6, 74.5; pectoral 22.2, 22.0; pelvics 46.5, 47.2; anal 61.5, 61.O. 



Inters-pace between: 1st and 2nd dorsal 24.6, 25.8 ; 2nd dorsal and caudal 7.7, 8.4; 



anal and caudal 8.1, 8.8. 



Distance from origin to origin of: pectoral and pelvics 25.2, 28.3 ; pelvics and anal 



15.1,15.8. 



Figure 49. Scoliodon terrae-novoc. A Female, about 783 mm. long, from the Bahamas (Harv. Mus. Comp. 

 Zcol., No. 1 144). B Anterior part of head of same from below, about 0.4 x. C Left-hand nostril, about 2.2 x. 

 D Head of another specimen with relatively longer snout, 6o8 mm. long, from Rio de Janeiro, Brazil, about 

 0.55 X (Harv. Mus. Comp. Zool., No. 91). See discussion p. 299. 



