ANTERIOR AND POSTERIOR EXTREMITY. 371 

 SURFACES. 



BORDERS. 



SCAPULA. 



IDEAL. 



Glenoid border. 

 Posterior border in 



most animals. 

 Axillary border in 



Man. 



Spir.e. 



Coracoid bonier. 

 Anterior border in 



most animals 

 Superior border in 



Mr.n. 



I. External. 



Acetabular border 

 Anterior border. 



2. Antero-internal. Pubic border. 



Linea arcuata interna. 



3. Postero-internal. I schial border. 



Posterior border. 



As the humerus in ordinary quadruped Mammals is 

 rotated backwards from its primitive position, and the femur 



B B 2 



