the Lumbo-Sacral Plexus of Macacus rhesus. 257 



Flexor longus digitortim. 

 Peroneus longus. 

 Peroneus bi-evis. 

 Extensor longus hallucis. 

 Gluteus maximus. 

 Gluteus medius. 

 Gluteus minimus. 

 Pyriformis. 

 Obturator internus. 

 Obturator externus. 

 Gemellus superior. 

 Gemellus inferior. 

 Quadratus femoris 

 Popliteus. 

 Plantaris. 



1th Lumbar Hoot. 

 Hamstrings. 



Gastrocnemius. 



Soleus. 



Flexor longus digitorum. 

 Peroneus longus. 

 Peroneus brevis. 

 Flexor longus hallucis. 

 Adductor hallucis. 

 Interossei. 

 Gluteus maximus. 

 Gluteus medius. 

 Pyriformis. 

 Obturator internus. 

 Obturator externus. 

 Gemellus superior. 

 Gemellus inferior. 

 Quadratus femoris. 

 Popliteus. 

 Plantaris. 



1st Sacral Root. 



Intrinsic muscles of the foot. 



Corollary to Part III. 



In my former paper the question as to whether a single bundle of 

 nerve fibres representing a single simple movement ever remains 

 distinct in a nerve root during its course to the muscles it supplies 

 without inosculating with other motor nerve fibres was considered, 



