THE MUSCLES OF THE UPPER EXTREMITY. 69 



system of any one of all those birds possessed of the 

 power of flight. 



49. The pectoralis major 1 is by far the largest muscle 



1 Fiirbringer and Gadow divide the pectorals major muscle into 

 three parts, viz. the pars thoracica, the pars propatagialis, and the 

 jiars abdominalis. 



Omitting the descriptive part, I present the synonymy of these 

 divisions as recorded by Gadow in Bronn's Klassen des Thier-Reichs, 

 (vi. Band, pp. 241, 242), which is as follows : 



" 73. M. PECTORALIS. 



" I. Pars thoracica. 

 Depressor alee. Borelli. 



Grand pectoral. Vicq d'Azyr, 1772, p. 623, No. 1. 

 ,, Cuvier. 



Gervais et Alix, p. 24 ; Alix, pp. 399-401. 

 Pectoralis major. Merrern, p. 152 ; Wiedemann. p. 82. 

 Grosser Brustmuskel. Tiedemann, 249. 



Meckel, p. 315, No. 8 ; Schopss, p. 108, No. 



15; Prechtl, 35. 

 ,, Reid, p. 140 ; Rolleston, p. 4. 



De Man, p. 109 ; Watson, p. 80. 



Pectoralis major et minor. Selenka, p. 121, No. 46 u. 47. 

 Pectoralis. Fiirbricger, Morpholog. Jahrb., v., Monographic ; 

 Carlsson, p. 26. 



"II. Pars propatagialis (Fiirbringer). 



Tensor patagii membran. ant. alee. Selenka, No. 48 und 49 (partim). 

 Sehne vom Pectoralis major zum Tensor brevis patag. ant. De Man, 



p. 110. 



Versttirkendes Sehnenbiindel vom PecL major. De Man, p. 111. 

 Tensor membranes anterioris alee, Theil a und b. Heusinger, p. 185, 



No. 19. 

 Langer und Kurzer Muskel der vorderen Fliigelfalte. SchiJpps, No. 



2 und 3 (partim). 

 Spanner das Windfangs. Prechtl, 69 (partim). 



" III. Pars abdominalis (Fiirbringer). 



Xubcutaneus abdominalis. Wiedemann ; Tiedemann, 100, No. 5. 

 Watson, p. 55. 



thoracis. Tiedemann, $ 100, No. 4 ; Prechtl, 71 



