Abstract
1. A case of hydatidosis of the innominate bone is described.
2. The disease was treated by local resection combined with instillation of supersaturated salt solution.
3. The disease appears to have been arrested and the functional result is good.
4. The lethal effect of supersaturated salt solution on the parasite is stressed.
5. The experience of other workers in the field of hydatid disease is described.