THE SKELETON. 



49 



gladiolus; the caudal piece is called the ensiform or xi- 

 phoid process. It is terminated by a flat piece of cartilage. 

 The cartilaginous portion of the first rib articulates witE 

 the manubrium near its middle. The ribs from the second 



I 



n 



FIG. 28. VENTRAL ASPECT OF THE BONES OF THE THORAX. The numbers 

 on the vertebral or bony portions of the ribs indicate the names of 

 the ribs. The numbers of the last four ribs are placed just craniad 

 of them. 



c, Cartilaginous part of the first rib ; cr, cartilaginous disc between the 

 bodies of the vertebrae ; en, ensiform process ; h&, heads or capitula 

 of ribs; m, manubrium, mr, attachment of twelfth to the eleventh 

 rib; n, free termination of thirteenth rib; r, attachment of the 

 eleventh to the tenth rib; tb, tubercle of first rib; in, transverse 

 process of first thoracic vertebra; v, body of vertebra. 



6 



