The object of this paper is to keep before the medical profession the fact that injuries to the bones of the wrist are a real and not an uncommon occurrence. Codman and Chase1 have done a classic work on this subject, which has recently been followed by Todd's exhaustive treatise.
As the roentgen ray is being perfected so that in a short time it will be part of every progressive physician's equipment, it will be well to remember that every roentgenogram of a possible Colles' fracture or "sprained wrist" should also be examined for injuries to the carpal bones. This does not mean that a Colles' fracture and injuries to the carpal bones occur together, but that there are many wrist injuries not showing a Colles' fracture which undoubtedly have a fracture or dislocation of the carpal bones, instead of a bad sprain.
When roentgen rays are more commonly