62 



THE SKELETON OF THE CAT. 



mandibular fossa is lined with cartilage. A slender ligament 

 passes from the angular process of the mandible caudad to the 

 external auditory meatus, being attached to the latter about 

 8 millimeters from its medial end. This is the stylomandib- 

 ular ligament. 



V. BONES OF THE THORACIC EXTREMITIES. 



Scapula (Figs. 44 and 45). The scapula may be described 

 as a flat triangular bone with one angle rounded. It lies 



a 



FIG. 44. SCAPULA, LATERAL SURFACE. 



FIG. 45. SCAPULA, MEDIAL 

 SURFACE. 



/, fossa supraspinata; //, fossa infraspinata; HI, fossa subscapularis; IV, fossa 

 for teres major, a, vertebral border; b, coracoid border; c, glenoid border; d, glen- 

 oid angle and fossa; e, coracovertebral angle; f, glenovertebral angle; g, spine; h, 

 tuberosity of the spine; i, metacromion; j, acromion; k, supraglenoidal tubercle; 

 /, incisura scapulae; in, coracoid process; n, groove indicating portion of spine; o, o' , 

 ridges for attachment of muscle-fibres. 



beneath the muscles on the lateral face of the thorax near its 

 cranial end. From its lateral surface there projects a flat ridge 

 (Fig. 44, g], the spine of the scapula. The ventral end of the 

 ridge is free as a curved process, the acromion process (Fig. 



44, j\ 



The ventral angle of the scapula (*/), the glenoid angle 



