VETERINAKY OPHTHALMOLOGY. 



47 



ternal recti. These are placed upon the posterior recti. 

 Each is a flat band with parallel fibers. Origin at the 



""KTsap 



Fig. 28. 

 Scheme of the action of the ocular muscles.— Landois. 



back of the ocular sheath and inserted into the sclero- 

 tic, by an aponeurosis. These muscles are separated 



