THE SPINAL NERVES. 



193 



I28 - 



(1) A branch to the upper third of the M. 



(2) A branch to the Recta* intermix minor. A twig of this 

 branch (bb) pierces the muscle transversely in company with the 

 Artfria cutanea, and passes to the skin of the middle of the inner 

 surface of the thigh. 



(3) Branches to both heads of the 9emitendinon9. 



(4) Branches to the 3f. adductor magnu*. 



(d) Branches covered by 

 the M. lt ymmi(1aH* to the 

 3f. quadrat, femoris and J/. 

 obturator. 



(e) A branch (5) forwards 

 to the 31. biceps. 



(/") A branch (6) which 



accompanies the Art. circum- 

 jiexa genu laterally sup. for- 

 wards to the 31. extemores 

 cruris, the M. vastv.s externvs, 

 and the M. rectus anterior. 



Distribution of the sciatic nerve. 



/ The sciatic nerve. 



// X. tibialis. 



/// X. peroneus. 



1 Branches to the M. pyramidali.*. 



2 X" cut. fern, posterior. 



3 Large collateral branch. 



5 Branch to the M. biceps. 



6 Branch accompanying the art. cir- 



cumfl. genu lateralLs sup. 



7 Branch of tibial nerve to the M. gas- 



trocneniius. 



8 X. suralis. 



ad'" M. adductor magnus. 

 A M. biceps. 



Twig accompanying the art. cutanea. 



M. coccygec-iliacus. 



X. cut. cruris lateralia. 



R. cut. cruris posterior. 



M. gastrocnemios. 



M. glutaeus. 



M. pyramidalis. 



M. peroneus. 



M. rectus anterior. 



M. rectus internus minor. 



M. seiiiimembranosna. 



M. semitendinosus. 



M. vastus externus. 



