Temperature Environment and Thermal Debility. 1

Sonntag C. F. Med. Press and Circular, 1918, p. 219.

Sachs J. “Text-book of Botany,” Oxford, 1882.

Edwards . “Encyclopædia of Anatomy and Physiology,” ii.

Vincent . See Huggard.

Huggard . “A Handbook of Climatic Treatment.”

Geikie A. “Text-book of Geology,” London, 1885.

Spallanzani L. “Dissertations relative to the Natural History of Animals and Plants,” Translated, London, 1784.

Loeb J. “The Dynamics of Living Matter.”

Edge and Krogh . Rev. Hydrobiol., 1914, 4855.

Krogh . Internat. Zeitschr. phys. chem. Biol., 1914, pp. 491508.

Luciani . “Human Physiology,” 1917-1919.

Marshall F. H. A. “The Physiology of Reproduction.”

Todd and Bowman . “Physiological Anatomy.”