136 



THE CAT. 



[CHAP. v. 



The muscles of the pharynx and palate effect deglutition. As 

 soon as any portion of food, or other object, is grasped by the 

 superior muscle of the pharynx, its fibres and those of the lower 

 pharyngeal muscles successively contract, so as to drive the sub- 

 stance so grasped backwards towards the stomach. 



MUSCLES OF THE TRUNK AND TAIL. 



8. The muscles of the back are arranged in successive layers. 



LiL 



JBa 



Fig. 77. MUSCLES OF RIGHT SIDE OF FORE-QUARTER. A'RECTANGULAR CUT BEING MADE IN THK 

 CEPHALO-HUMERAL, TO SHOW MUSCLES BENEATH. 



]>. Buccinator. 



Ba. Brachialis anticus. 



C. Levator anguli oris. 

 Ch. Cephalo-humeral. 

 Cm. Cleido-mastoid. 



D l and Z> 2 . Two parts of deltoid. 



D. (Of head) digastric. 



Ed. External dorso-epitrochlear. 



Eo. External oblique. 



Fa. Fronto-auricular. 



La. Levator anguli scapula 1 . 



Ld. Latissimus dorsi. 



Ls. Levator scapula?. 



M . Masseter. 



Mo. Maxillo-auricular. 



My. Myrtifonnis. 



Oo. Orbicularis oris. 



Op. Orbicularis palpebrarum. 



P*. Pectoralis. 



Py. Pyramidalis. 



Ea. Retrahentes auriculain. 



Re. Rhomboideus capitis. 



Jim. Rhomboideus major. 



Smg. Serratus magnus. 



T. (Of head) temporal. 



T l and T 2 . Anterior and posterior parts of tra- 



pezius. 



Tr l , Tr*. Parts of triceps. 

 To. Temporo-auricular. 

 Z. Zygomaticus. 

 Set. Scutiform cartilage. 

 Sty. g. Stylo-glossus. 

 Sty. h. Stylo-hyoid. 

 St. hy. Sterno-hyoid. 

 St. tli. Sterno-thyroid. 



Some of them help to retain the shoulder and pelvic girdles (and 

 therefore also the limbs) in place. 



The most superficial dorsal muscle is a cutaneous muscle or one 

 intimately connected with the skin. It is called the Panniculus 

 carnosns, and is one of the largest muscles of the body. It forms a 



