308 MYOLOGY OF CHLAMYDOSAURUS KINGII, 



4th. Much larger, from the upper part of the second and first 

 rib ; inserted into the upper half of the under surface of the 

 suprascapula. . 



Sub scapular is. — From the whole deep surface of the scapula, 

 coracoid and epicoracoid ; inserted into the ulnar tuberosity of the 

 humerus. 



Coracohumeralis. — (—External sterno-coracoid of Mivart, P.Z.S. 

 1867-779). From the whole deep surface of the coracoid and 

 epicoracoid ; its fibres converging are inserted strongly into the 

 ulnar tuberosity beneath the insertion of the subscapularis. 



Sternocoracoid. — From the articulations of all the sternal ribs 

 with the sternum ; — meeting its fellow of the opposite side at the 

 posterior end of the sternum, but diverging from it anteriorly to 

 be inserted by a long tendon into the deep surface of the lower 

 (posterior) spur of the epicoracoid, passing beneath the edge of the 

 coracohumeralis on the one side, over it on the other. 



Pronator teres. — Rises by a moderate tendon from the summit of 

 the olecranon ; passing over to the supinator longus it becomes 

 confluent with it. 



Supinator longus (fig. 4 — s. 1.). — Rises by a single head from 

 the outer condyle ; — inserted into the radial edge of the lower half 

 of the radius 



Pronator brevis. — From the fore part of the inner condyle ; 

 insertion into the second fourth of the radius. 



Supinator brevis. — From the hinder part of the inner condyle, 

 insertion into the upper third of the ulna. 



Pronator quadratus. — From the flexor surface of the lower 

 (distal) half of the ulna into the flexor surface of the radius. At 

 its upper end wedged in between the pronator brevis and supinator 

 brevis. 



Flexor sublimis digitorum. — Has the normal lacertian origin 

 from the annular ligament ; its perforated digitations are inserted 

 each into the base of the first phalanx of the digit. 



