Loefer and Sedberry: Life history of Rhtzopnonodon lerraenovae off tfie southeastern United States 83 



Females 



Age 0+ 

 n =74 



Age 1 + 

 n =30 



Age 1 + 

 n =34 



Age 4+ 

 n =47 



Age 4 + 

 n =41 



Focus to increment distance (mm) 

 Figure 9 

 Focus to increment distance (mm) frequency distributions for males and females age 1+ to 7+. The first distribution 

 represents the birth mark in all cases, subsequent distributions represent (from left to right! measurements to the 

 first, second, third, fourth, fiflh, sixth, and seventh increments, respectively. 



