262 



Whale 

 no. 



3257 



3275 

 D 140 



3623 



3225 



DISCOVERY REPORTS 



Table XXIII. Sei whale. Vertebral epiphyses (contd.) 



Length 

 metres 



14-55 



14-60 



15-25 



14-80 



15-10 



Date 



12. ni. 31 

 15. iv. 30 



14. iii. 30 



15. iv. 30 

 5. iii. 31 



17. iv. 30 



9. ii. 31 



10. ii. 31 



I. iv. 30 



19. iv. 30 

 15. viii. 30 



10. n. 31 



17. ni. 30 



Vertebral epiphyses 



Approx. 



age from 



corpora 



lutea. 



Years 



MALES 



L. 15-C. I Not ankylosed: cartilage thick 



L. 4~S " " 



Th. 4-5 



L. 13-14 Not ankylosed : cartilage thick 



Th. 12-13 „ .. 



Th. 5-6 



L. 15-C. I Not ankylosed: cartilage thin 



Th. 5-6 



L. 14-15 Ankylosed : join visible 



Th. 14-L. I Not ankylosed: cartilage thick 



Th. 6-7 



L. 15-C. I Ankylosed: join visible 



L. 7-8 II 11 



Th. 9-10 Not ankylosed : cartilage thick 



L. 14-15 Ankylosed : join visible 



Th. 14-L. I Not ankylosed : cartilage thick 



Th. 5-6 



L. 15-C. I Ankylosed : join visible 



L. 12-13 ^^^ ankylosed: cartilage thick 



L. 2-3 „ ,1 



L. 12-13 Ankylosed : join visible 



L. 7-8 ,, I, 



Th. 8-9 



Th. 3-4 Not ankylosed : cartilage thick 



L. 13-14 Ankylosed: no sign of join 



Th. 12-13 Not ankylosed : cartilage thin 



Th.4-5 „ I, 



L. 13-14 Ankylosed: no sign of join 



Th. 5-6 Not ankylosed : cartilage thin 



L. 15-C. I Ankylosed : join visible 



L. 12-13 Not ankylosed : cartilage thin 



L. 9-10 „ I, 



L. 6-7 Not ankylosed : cartilage thick 



Th. lo-ii 



Th. 2-3 Ankylosed : join visible 



Th. 1-2 „ ,, 



L. 15-C. I Ankylosed: join just visible 



L. 12-13 



L. 4-5 Ankylosed : join visible 



Th.6-7 "... ." 



Th. 13-14 Ankylosed: join visible 

 Th. 5-6 



No. of 



ages of 



skin 



scars 



all of the epiphyses were fused, though a join in some of the thoracic vertebrae was 

 still just visible. 



Whale No. D 140, a male and consequently of unknown age, well shows the process 

 of ankylosis proceeding from both ends of the vertebral column. The caudal and 



