Plate XXXI. — Seat of Ulnar Neurectomy with Ulnar Nerve Exposed 

 I. Ulnar nerve. 2. Elevation formed by fle.xor inetacarpi medius. 3. Elevation formed by flexor 

 metacarpi e.xternus. 4. Elevation formed by posterior edge of pisiform bone. 5. Chestnut. 



