V2 THE MYOLOGY OF THE RAVEN. 



is represented by two tliin triangular layers of the 

 muscular fibres attached to the under and lateral part 

 of the sternum, and converging to be inserted into the 

 proximal third of the minute humerus" {Anat. of Verts., 

 vol. ii., p. 9G). 



50. The pectoralis secundiis ' (Figs. 24, 25, 26, 29, 

 and 30) arises from the remainder of the keel of the 

 sternum not appropriated by the pectoralis major, as 



1 This is the m. supracoracoideus of Professor Hans GadoAv 

 (Bronn's Klass>tn, vi. Band, p. 246), who has given a very full 

 description of it, together with the following synonymy, which 

 I republish below : — 



" 74. M. SUPRACORACOIDEUS. 



Pectoral moyen. Vicq d'Azyr, 1772, p. 624; Cuvier. 



,, ,, Gervais et Alix, p. 24. 



Mittlerer Brustmuskel. Merrem, p. 152, No. 2. 

 Pectoralis minor. Eeid, p. 141. 



), r, Nitzsch-Giebel (Upupa, Coracias, Papageien). 



Pectoralis minor s. medius. Wiedemann, p. 83. 



)> „ ,, ,, Tiedemann, § 250. 



,, „ „ ,, Heusinger, § 183. 



Zweiter Brustmuskel. Meckel, /System, p. 317, No. 11. 

 (Pectoralis secundus). Haughton (Emu, Rhea). 



,j „ Forbes (Tubinares) ; Weklon (Phoenicopterus 



et Leptoptilus). 

 Deltoides maximus. Schopss, p. 124, No. 21. 

 Kleiner Brustmuskel (UmroUer des Oberarms). Prechtl, § 40. 

 Pectoralis medius s. secundus. Owen, Apteryx, p. 289. 

 Suhclavius. RoUeston, p. 624. 



„ Selenka, Bronn, p. 118, No. 44; und Archiv Neer- 



land., 1870, p. 48 fp. 

 De Man, p. 109. 

 Pectoralis teriius. Jager Literatur, No. 80. 

 Pectoralis major (partim ?). Eiidinger, p. 89. 

 Sus-epineux + accessoires du sus epineux. Alix, p. 396-399. 

 Pectoralis viedius. Watson, p. 82. 

 Suiyracoracoideus. Fiirbringer, Morphol. Jahrh.^ v. und Mono 



graphii ; Carlsson, p. 25." 



