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 



Fig. 44. — Scapula, Lateral Surface. 



Fig. 45. — Scapula, Medial 

 Surface. 



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

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

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

 tuberosity of the spine; /, metacromion ; J, acromion; k, supraglenoidal tubercle; 

 /, incisura scapuloe; »i, coracoid process; «, 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. »• 



The ventral angle of the scapula (d), the glenoid angle 



