Fishes of the Western North Atlantic 



89 



Description. Proportional dimensions in per cent of total length. Male, 698 mm., 

 from Cuba (Harv. Mus. Comp. Zool., No. 35897). Female, 932 mm., from Cuba (Harv. 

 Mus. Comp. Zool., No. 35897). 



Figure i i. Heftranchias ferlo, A upper and lower teeth of specimen pictured in Fig. lO, about 2.4 x. B An- 

 terior part of upper jaw to show arrangement of teeth as viewed from below, about 2.4 x. C Embryo from 

 Cuba with yolk sac attached (Harv. Mus. Comp. Zool., No. 35581), about 0.4 natural size. 



Trunk at origin of fectoral: breadth 8.4, 9.1 } height 9.6, 10.7. 



Snout length in front of: outer nostrils 2.0, 2.0; mouth 5.0, 4.8. 



Eye: horizontal diameter 4.0, 3.6. 



Mouth: breadth 8.0, 7.0 5 height 6.4, 7.1. 



Nostrils: distance between inner ends 2.6, 2.1. 



Gill ofening lengths: ist 5.7,7.2; 2nd 5.6,6.5; 3rd 4.7, 5.9; 4th 4.2, 5.3; 5th 3.6, 



4.6; 6th 3.1,4.0; 7th 2.6, 3.1. 



First dorsal fin: vertical height 4.3, 4.5; length of base 6.2, 6.6. 



Anal fin: vertical height 2.2, 2.7; length of base 5.9, 5.9. 



Caudal fin: upper margin 30.6, 30.4; lower anterior margin 9.0, 8.6. 



Pectoral fin: outer margin 11.4, 11.4; inner margin 5.0, 5.5; distal margin, 9.6, 



8.5. 



Distance from snout to: ist dorsal 49.0, 48.3; upper caudal 69.4, 69.6; pectoral 



20.9, 19. 1; pelvics40.o, 38.4; anal 54.8, 52.2. 



