168 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Table XIV. Length Frequencies for Age Groups, to IV, 

 1908-1916. 



Mean Length. 



O 



I 



II 



III 



IV 



4-5 



20 



213 



368 



317 



151 



65 



32 



20 



16 



6 



3 



13 



24 



26 



56 



95 



151 



189 



258 



276 



300 



272 



256 



213 



118 



65 



31 



18 



13 



s 



"i 



2 



2 



9 



25 



17 



71 



165 



278 



428 



479 



490 



425 



364 



280 



207 



148 



92 



65 



39 



23 



9 



11 



5 



1 



2 



1 



3 



19 



21 



34 



24 



22 



32 



29 



35 



43 



36 



38 



29 



20 



24 



10 



8 



5 



5 



1 



3 





5-5 







6-5 





7-5 





8-5 





9-5 





10-5 





11-5 





12-5 





135 





14-5 





155' 





16-5 





17-5 





18-5 





19-5 





20-5 





21-5 





22-5 





23-5 





24-5 





25-5 



3 



1 



26-5 







1 



27-5 





28-5 



2 



29-5 



6 



30-5 



5 



31-5 



6 



32-5 



1 



33-5 



2 



34-5 



8 



35-5 



7 



36-5 



2 



37-5 



2 



38-5 



2 



39-5 



1 



40-5 





41-5 



2 







Totals 



1,211 



2,385 



3,638 



442 



48 





7-3 



15-3 



210 



26-8 



32-5 







Standard Deviations... 



1-58 



3-18 



2-63 



4-34 



3-70 



Shortest Half -ranges... 



5-8—7-5 



13-5—17-8 



18-5—22-5 



23-9—30-2 



30-8—35-8 



