396 ANIMAL MECHANICS. 



Muscular Type of Felidce — Shoulder Joint. 





Scapular. 



Abductors. 



Flexors. Extensors. 



1 



Adductors. 



Lion and Tiger, . 

 Leopard, . . . 



22.93 

 23.46 



21 . 02 



22.08 



28.41 5.27 

 2 9- 97 i 5-34 



22.37 

 r SM5 | 



(b.) Muscular Type of the Canidce. — The muscular type of 

 the Canidce is quite distinct from that of'the Felidse, and is not 

 so constant in the members of the entire family, which differ 

 from each other more considerably than the members of the 

 Felidas do. 



The Canidge differ from the Felidas in the hip and shoulder 

 joints in the following particulars : — 



First, negatively — 



The Canidge do not possess the following muscles :— 



i°. Agitator caudm, ) „. 



2°. Gluteus quartus, ) 



3 0 . Pectoralis quartus — Shoulder. 



Secondly, positively — 



The Canidas possess always a double Sartorius, and 

 occasionally a double Tensor vaginae femoris. 



I shall take the Greyhound as the type of the family, and 

 give the percentages of this animal in detail, adding a summary 

 of the percentages of groups of muscles taken from other 

 members of the family. 



In the following Table, I give " Master Magrath's" muscles 

 in one column, and place beside it the average muscles found 

 from other Greyhounds :— 



