1. 1. Epidural injection of saline has given the following results: 1.1. a. Complete relief of the pain of sacrocoxalgia in 91 per cent of patients. 1.2. b. Partial relief of the pain of chronic arthritis in 71 per cent of patients. 1.3. c. Complete relief of the pain of sciatica in 67 per cent and partially in 8 per cent of the patients treated. 2. 2. Perineural injection of saline and novocaine of the nerves involved in neuritis of the upper extremities, intercostal and supraorbital neuralgias has given gratifying results.