ANIMAL MECHANICS . 383 



Laying down these points, as before, on the bones, I found — 

 Distance of 0 from centre of socket = 3.63 in. 

 Distance of 0' from centre of socket = 4.46 „ 



Difference, . . . 0.83 in. 



Work done . „ 



— = r = sm 20 = 07 02 per cent. 



Maximum work 1 



4. Adductor tertius (brevis). — This muscle is wanting in 

 the Lion. 



5. Adductor quartus (longus). ") These muscles take 



6. Adductor quintus (pectinceus). J origin, side by side, 

 from the anterior margin of the pubes, for a length of 



A X B C 



0 



Fig. 98. 



1.70 in., and are inserted in like manner into a line 2.95 in. 

 in length, lying beside the insertion of Adductor secundus. 



