228 THE MYOLOGY OF THE RAVEN. 



at about the middle of the lower third of the shaft of 

 the tibia. It passes in front of the external malleolus, 

 crosses the ankle joint, and is finally inserted into the 

 outer edp;e of the summit of the tarso-metatarsal bone. 



o 



This appears to be one of the peronei muscles of 

 A. Milne-Edwards ; but from the facts that it is evidently 

 inserted into the tarsus, and not the metatarsus ; and 

 that the tibialis posticus is quite a constant muscle 

 among Reptiles ; and that further, as I have already 

 said, the peronei muscles are more particularly mam- 

 malian institutions, I believe we are safer in calling this 

 one the name we have. 1 



1 The only muscle I can find in literature to compare the pre- 

 sent one with is the Peroneus profundus of Gadow, who offers the 

 following upon it (loc. cit., p. 182) : 



" 48. M. PERONEUS PEOFUNDUS. 



M. tertius anterior pedem movens. Aldrovandi. 



M. tridecimus circa tibiam et fibulam. Steno. 



Le peronier. Yicq d'Azyr, p. 282, No. 4. 



Wadenbeinmuskel. Meckel, System, p. 372, No. 2 ; Archiv, p. 



273, No. 2. 



Peroneus. Wieclemann, p. 101. 

 Tiedemann, 307. 



d'Alfcon, p. 36. 

 Le court peronier. Cuvier, p. 542. 



,, Gervais et Alix, p. 34. 



Peroneus tertius. Gurlt, p. 30. 



,, brevis. Quennerstedt, p. 37. 

 ,, ,, Neander, p. 22. 



De Man, p. 135, No. 25. 

 ,, Watson, p. 118. 



Peronier lateral. Alix, p. 450. 

 Peroneus profundus. Gadow, No. 30. 



" Der tiefe Wadenbeinmuskel erscheint nach Abtragung des 

 Peron. super jicialis. Er ist em gewohnlich kleiner, gegliederter 

 Muskel, der fleischig von der vorderen und iiusseren Fliiche der 

 Perone und von benachbarten Theileii der Tibia, in der Regel vom 



