A fairly recent publication, entitled “Origin of Limestone Caverns,” by Davis1 and a subsequent paper under the same title by Swinnerton,2 present valuable and interesting contributions on the subject. These authors have searched the literature, and out of their own information and experiences have added extensively to the knowledge of caverns. The paper by Davis is especially comprehensive and contains an excellent bibliography. However, in reference to certain hypotheses, these writers differ materially, and each of them has invited others to join in the discussion from their own observations.
It is not the purpose of the present paper to review here, nor consider fully, all phases of the origin and development of caverns; in many respects of detail the papers above cited are authoritative, and duplication of information would not be appropriate. Nor does the writer wish to convey the idea that all caverns in limestone have originated in . . .