40 



THE BONES AND .TO [NTS. 



Fig. 32. 



girdle of Kaiia csciilcitti 

 above. 



ca Cav. articiiJaris. 

 (■ c Cartilage. 

 (■/ Clavicle. 



CO Coracoid. 

 sc Soapiila. 

 sc' Sujirasoapula. 



(Lji'sal and ventral portions ; 

 the inner extremity rests upon 

 the epicoraeoid. The clavicle is 

 grooved on its superior and 

 posterior surfaces in almost its 

 whole leng-th; the groove widens 

 externally [I), and contains 



c. The precoraeoid (Fig. 

 ^4cl'), a slender bar of cartilage, 

 connecting the anterior edge of 

 the scaj)ula with the sternum. 



Cartilages of the shoulder-girdle (Figs. 24, 33, 34). A car- 

 tilage (c), described by Duges as the ' paraglenal/ connects the 

 scapula with the coracoid, and converts the notch between the two 

 processes [s and v) on the inner border of the scapula into an 

 aperture opening posteriorly into the g'lenoid cavity, and which is 

 filled up by the lining cartilage. This cartilage connects the two 

 processes with the coracoid; being thicker betAveen this and the 

 jrroc. coracoideu.^, it takes an important share in the formation of 



'ig- M- 



Hinder border of tlie sc'a- 

 j)ula and coracoid, with 

 the connecting cai-tilage 

 and shoulder-joint, iwice 

 nat. size. 



c Connecting cartilage. 



rf Doreal process. 



CO Coracoid. 



sc Scajiula. 



V Ventral proces.s. 



Cla^ icular cartilage of a young sjiecinien of liana csciileiila, 

 enlarged to the adiilt size. 



(' Connecting cartilage. 



e Epicoracoids. 



<•' Ligament between the two cartilages. 



(7 Clavicle. 



<■/' Clavicle and precoraeoid. 



'•(/ Coracoid. 



(•()' Cartilage of same. 



<'.v Omostermim. 



)i,i Sternum proper. 



the lioor of the glenoid cavity. At the outer extremity of the 

 clavicle the cartilage projects and is then continued in the groove 



