ANIMAL MECHANICS. 345 



- = 0.249 - = O.860 



P P 



a 2 



— = O.026 

 Pi 



>oo — = 0.800 



P2 Pi 



S - =0.349 S - =2.686 



V 1 



aa 



1. 07 I - = 0.208 



P P 



aia 1 I , 

 = o.coi — = 0.102 



Pi Pi 3 



= O.OOO — =O.I22 



P% P2 



ao'N 

 V )~ 



1,592 s l-j=.°'493 



From these data we find 



ml = 0.197 

 ml' = 1 .520 

 iT = 0.326 ; 



and finally, equation (92) becomes 



- 0.479 A * + 2.395 A 3 + 2.128 X + 0.135 = °- 

 This equation, as before, has a small real root, viz., 

 X = - 0.063, 

 which leads to the construction (Fig. 90). 



