ANIMAL MECHANIC^. 361 



Transfer of Force caused by Skew Muscle, 



Muscle. 



0' to centre of 

 insertion. 



Length 



of 

 Femur. 



Proportionate 

 Transfer. 



Adductor secundus (/3). 









r. Llama, 



2. "Master Magrath," . 



3. Woman, .... 



4. Leopard, .... 



2.34 in. 

 2-77 » 

 2.32 

 i-33 » 



12.81 in. 



8-57 „ 

 16. 50 „ 

 8.80 „ 



18.3 per cent. 

 32-3 .1 

 14- 1 



15. 1 » 



Adductor secundus (a). 









5. Leopard, .... 



0.89 „ 



8.80 „ 



ro. 1 „ 



! 



10. Theory of the Hip and Shoulder Joints — Sip Joint. — 

 We are now in a condition to attempt the solution of a most 

 interesting problem, which maybe thus stated : — Being given 

 all the muscles that surround the hip joint, let it be proposed 

 to ascertain the position of the socket of the joint which will 

 enable all the muscles to perform the maximum amount of 

 work. The following classification of the nip joint muscles 

 may be employed : — 



Muscles of Abduction. 



1. Agitator caudae. 



2. Glutaeus primus, .... (Gl. maximus.) 



3. Tensor vaginas femoris. 



4. Glutaeus secundus (a), . . (Pyriformis.) 



5. Glutaeus secundus (/3), . . (Gl. medius.) 



6. Glutaeus tertius, .... (Gl. minimus.) 



7. Glutaeus quartus. 



8. Glutaeus quintus. 



9. Obturator internus. 



