ANATOMY OF THE SHOE-BILL. 



669 



Serratus superjicialis anterior. — From the ventral end of the 

 last cervical rib and the first dorsal rib converging to a flat 



Text-fig. 125. 



Rh 



Shoulder-muscles of Balcenicejps. 



Right wing, external aspect. Muscle striped : tendon dotted. 



Rh. 1. Rhomboideus profundus, cut across. 

 Rh. 2. Rhomboideus externus, cut across. 



Tendinous anchor of Deltoides major. 



Cut surface of Deltoides major reflected. 



Distal portion and insertion to humerus of Deltoides major. 



Scapulo-huuieralis posterior. 



Tendon of insertion of Supra-coracoideus (Pectoralis minor or secundus). 



External scapular head of Sub-coraco-scapularis. 



Anconeus scapularis, showing scapvUar origin, and anchor to humerus. It 



has been divided to show the Latissimus dorsi. 

 Anconeus scapularis, part of the belly. 

 Anconajus humeralis. 

 Latissimus dorsi anterior, insertion. 

 Cut edge of Latissimus dorsi posterior. 



Tendon of insertion of Lat. dorsi posterior from humerus to junction with 

 Anconeus scapularis. 

 S. Vestige of Expansor secundariorum. The distinctness of this is exaggerated 

 in the drawing. 



Del. 1. 



Del. 2. 



Del. 3. 



S.P. 



Pec.m. 



S.C. 



A.Si. 



A.S2. 



A.H. 



L.A. 



L.P.I. 



L.P.2. 



