ANTIROSTRUM 



FISHERY BULLETIN: VOL. 84, NO. 3 



Figure 3.— Transverse section of the sagitta from 

 the tag-recaptured Atlantic sailfish at-large for 10 

 yr, 10 mo. Major features of the sagitta are labeled 

 and the approximate location and number of the 

 first 10 external ridges are shown on the rostrum. 

 Directional growth of the rostrum is indicated by 

 white letters and arrows. 



ROSTRUM 



LU 



O 



< 



Li- 

 ar 



CO 



— i 



< 



CC 

 2 

 > 



05 mm 



LATERAL SURFACE 



498 



