MAMMALIA. 159 



heads of this and gives branches to the flexor of the toes, the posterior tibial and the 

 long flexor of the great toe ; it then passes down the leg on the inner side of the tendon 

 of Achilles, and receives the branch from the long slender branch sent underneath this 

 tendon. It passes behind the inner condyle of the tibia, and divides into the inner and 

 outer plantar nerves ; the inner plantar gives a branch to the inner side of the first toe, 

 and then communicates with a branch of the deep plantar, and divides for the outer 

 side of the first and the inner side of the second, it also communicates with a branch 

 of the deep plantar given to the outer side of the second toe and the inner of the third ; 

 the outer plantar nerve passes between the flexor tendons, and sends a nerve to the 

 outer side of the foot and the last toe ; it gives off the deep plantar, which passes 

 underneath the short flexor of the toes, and divides into branches, and gives filaments 

 to each of the small muscles situated in the sole of the foot, and a branch to com- 

 municate with one from the inner plantar nerve and divide for the outer side of the first 

 and the inner of the second, and one for the outer side of the second and the inner of 

 the third, and another for the outer side of the third and the inner of the fourth. The 

 peroneal nerve gives a small branch to the biceps and filaments to the fascia near the 

 knee ; it then divides, the anterior tibial nerve sends off branches to the anterior tibial 

 muscle, the long extensor of the toes, and the long peroneal, and descends with the 

 anterior tibial artery, underneath the annular ligament, and gives branches to the 

 ligaments of the foot ; it passes onwards, and is joined by a branch from the con- 

 tinuation or dorsal branch of the peroneal, and divides for the outer side of the first, 

 and the inner side of the second toe. The continuation or dorsal branch of the 

 peroneal gives branches to the short and third peroneal muscles, and passes behind the 

 long peroneal, and emerges between this and the long extensor of the toes ; it passes 

 over the annular ligament, and sends a branch to the outer side of the foot and the 

 fourth toe ; on the back of the foot it sends the branch to join the anterior tibial nerve ; 

 it separates into two branches, the first divides for the outer side of the second and the 

 inner side of the third toes, the other for the outer side of the third and the inner side 

 of the fourth. 



In the ass there are eighteen dorsal nerves, the anterior trunks of which pass 



