The ?<latural History of the Frilled Shar\ 



263 



range is from 610 and 845 mm. (24 and 33.25 in.) to 1960 mm. (77.2 in.). The average 

 length of these 35 fish is 1532 mm. (60.3 in.). Leaving out the two unusually small ones, 

 whose combined lengths do not equal the average, the average for 33 adults is 1579 mm. 

 (62.25 in.) — a length practically equal to that of No. 24 of the table. 



TABLE V 

 LENGTHS OF FEMALE SPECIMENS OF CHLAMTDOSELACHUS 



Taking the tables as they stand, it is evident that the females average larger than the 

 males (35 females average 1532 mm.; 15 males, 1293 mm.). If now, omitting the unusually 

 small and presumably immature fish of both sexes, we compare the average for the 33 re' 

 maining adult females (1579 mm. or 62.25 in.) with the average for the 14 remaining adult 



