Letter from Alex Ogston, No. 2 Elmgrove, Church Street, Hanwell, London, to James Mackenzie Davidson Explains that the patient is a soldier with a fragment, about the size of a split pea, somewhere about the external popliteal nerve in the calf below the popliteal space. It can be seen through stereoscopy, however, will not be easy to find among a mass of moving flesh. Notes that the patient is thinking to wait until after Christmas to have the removal done. Declines Mackenzie Davidson's invitation for lunch. 13 December 1914