One of the most interesting points connected with the concept katatonia is its relation to the morbid phenomena included under the older term melancholia attonita. Many modern exponents of the former, especially in Germany, would deny the existence of stuporose melancholia altogether. Yet it seems to me that cases occur conforming to the descriptions of the latter which cannot be included in the category of katatonia without the merest straining of terms. In this connection I think the following two cases are instructive: