50 



PLATE XXV. 



MUSCLES 



A Gluteus maximus. f 



B Cut edge of the superficial portion of 

 fascia lata covering it. 



C Thick part of the fascia lata covering 

 in the gluteus medius. 



D Placed on fascia lata where the an- 

 terior fibres of gluteus max. are 

 inserted into it. 



E Adductor magnus. ^ 



F Semimembranosus. " 



G Semitendinosus. ^ 



H 



Biceps. 



I Vastus externus covered over by fascia 

 lata into which some of the posterior 

 fibres of the gluteus maximus are 

 inserted. 



K Posterior superior spine of ilium. 



L Vertebral aponeurosis. Some fibres 

 of the gluteus maximus usually pass 

 over the crest of the ilium to take 

 origin from this aponeurosis. 



NERVES 



1 Gluteal recurrent from external cuta- 



neous. 



2 Lateral branch of last dorsal. 



8 Iliac branch of the ilio-hypogas- 

 tric nerve, first lumbar (anterior 

 division). 



4 Branches of the posterior divisions of 

 the first and second lumbar. 



5 Branches from the posterior sacral 



nerves. 



6 Perforating cutaneous nerve from the 



fourth sacral or third and -fourth. 



7 Gluteal recurrent branches from small 



sciatic. 



8 Small sciatic. 



9 Internal and external cutaneous twigs from small sciatic. 



