FISHERY BULLETIN: VOL. 74. NO, 2 



200 





% 150 

 o 



X 

 I- 



<s> 



21 

 LU 



< 



I- 

 O 



100 -/ 



50 



!i 



. ! • • • •• 



N = 120 



Average_lenqt^h_cit_bM^tlni , 



s 



I 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 OCCLUDED 



POSTNATAL DENTINAL LAYERS (number) 



I 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 OCCLUDED 



POSTNATAL DENTINAL LAYERS (number) 



Figure ll. — Scatterplots of body length on number of postnatal dentinal layers from males (top) and females (bottom) 

 otStenella attenuata from the offshore eastern Pacific. Lines are fit to the growth model (see text). 



240 



