TABLE OF CONTENTS. 



#?. Quadrilateral and skew muscles, in which the socket of 

 the joint does not lie in the plane containing the origin 



and insertion of the muscle, 320 



Illustrations of Postulate — Ptolemy's theorem, . . 326 



t. Adductor longus and pectinaus in lion, . . 328 



2. Pectinceus in man, , . . « . 329 



3. Pectinceus in llama, , „ , . « . 329 



4. Adductor secundus (/3) in llama, . 334 



5. „ "Master Magrath," <■ 343 



6. „, }> woman, . . . 346 



7. ,j leopard, . . . 348 

 Reduction of skew muscle to a single equivalent fibre, « 352 



Adductor secundus (,8) in llama, ... . , . 351 

 „ „ "Master Magrath," . , 354 

 m » woman, , , . . . ' , 354 

 a „ leopard, 355 

 Adductor secundus (a) in leopard, . . . , 356 

 Skew muscle regarded as a " supplemental contri- 

 vance," . . . m . . » * 36O 



Transfer of force caused by skew muscles, . . « 361 



io, Theory of Hip and Shoulder Joints, . « , * 361 

 Hip joint of lion : ■— 



A bductors. 



1. Agitator caudce, . ; * * » * • * 363 



2. Gluteus primus, . . « « » « » 364 



3. Tensor vagince fern oris, . . # * , 366 



4. GlutcBUs secundus (a), , . . * . 367 



5. Glutceus secundus ((B), . . . . * . 368 



6. Glutceus tertius, . . * . . » . 369 



7. Glutceus quartus, . . * . • . . 371 



8. Glutceus quintus, . 373 



9. Obturator internus, . < . . . . 373 

 Confirmation of postulate from the abduction muscles 



of the lion's hip-joint, 374-5 

 Adductors* 



1. Adductor primus, . * » ■ • « 376 



2. Adductor secundus (a), « » • » • • 378 



3. Adductor secundus (j3), . 3^° 



4. Adductor tertius, . 3 8 3 



5. Adductor quartus, . . . <> . . 383 



6. Adductor quintus, „«.««. 383 



7. Obturator externus, * * * . * . 385 



