156 THE MYOLOGY OF THE RAVEN. 



110. The soleus. 118. The flexor perforatus annu- 



111. The peroueus longus. laris primus pedis. 



112. The tibialis anticus. 119. The flexor perforatus inedi us 



113. The extensor longus digi- primus pedis. 



torum. 120. The flexor perforatus medius 



114. The extensor hall ucis bre vis. secundus pedis. 



115. The tibialis posticus. 121. The flexor perforatus indici 



116. The flexor perforatus indicis primus pedis. 



secundus pedis. 122. The flexor perforans digi- 



117. The flexor longus hallucis. torum profundus. 



93. The sartorius ^ constitutes the most anterior of the 

 group of superficial muscles upon the outer aspect of 

 the thigh in the Raven, as it does in the vast majority 

 of birds. 



It arises by a fleshy origin from the outer two-thirds 

 of the superior surface of the raised emargination of the 

 anterior border of the ilium, and by a few fibres and an 

 extension of its fascia, from the crest of the neural 

 spine of the fourth dorsal vertebra (Fig. 24). The muscle 



^ Gadow has given us a very excellent account of this muscle for 

 birds, together with the subjoined synonymy, to wit : — 



" 33. M. ILIO-TIBIALIS INTERNUS S. SARTORIUS. 



M. quartus tibiam viovens. Aldrovandi. 



M. irrimus femoris. Steno. 



Le couturier. Vicq d'Azyr, p. 272, No. 1 ; Cuvier, p. 524 ; Gervais 



et Alix, p. 30; Alix, p. 438. 

 Ausstreckender Schienbeinmuskel. Merrem, p. 159, No. 1. 

 Sartorius, Wiedemann, p. 94. 



Tiedemann, § 294 ; Gurlt, p. 28. 

 „ Owen, Apteryx, p. 292. 



„ Quennerstedt, p. 23. 



„ Neander, p. 15 ; Selenka, p. 142, No. 82. 



De Man, p. 125, 11, 

 „ Gadow, No. 13. 



Watson, p. 109. 

 Rectus femoris. Ileid, p. 143." (Bronn's Klassen, vi. Band, p. 149.) 



