LIST OF AUTHORS.[75]
[75] This list of authors includes all the authorities which I have personally consulted. Several papers, such as Dr. Schwalbe’s “Uebersichtliche Zusammenstellung Literarischer Notizen ueber Eishöhlen” and the works of Dr. Listoff, I have been unable to find in any library.
Allen, Levi. Scientific American, New Series, October 27th, 1883, page 259.
American Journal of Science and Arts, 1839, vol. XXXVI., page 184.
Auchincloss, W. S., C. E. Waters within the Earth and the Laws of Rainflow, Philadelphia, 1897.
Badin, Adolphe. Grottes et Cavernes, Paris, Hachette, 1867.
Baedeker, Karl. Handbook of Austria. Handbook of the Eastern Alps. Handbook of South Eastern France. Handbook of Switzerland. Handbook of the United States.
Baker, M. S. The Lava Region of Northern California: Sierra Club Bulletin, San Francisco, Cal., 1899, vol. II., page 318.