The subject is well illuminated in the three references, “Recent Advances in Physiology,” by Lovatt Evans; “Protoplasmic Action and Nervous Action,” by R. S. Lillie; and “L'Excitation en Function du Temps,” by L. Lapicque.
2.
LillieR. S.: Am. J. Phys., 34, 414, 1914.
3.
Lapicque: L'Excitabilite en Function du Temps, p. 356.
4.
Matthews: Nature of Chemical and Electrical Stimulation. American Journal of Physiology, 11, 1904, p. 455.
5.
LucasKeith: Propagation of the Nervous Impulse.
6.
Lapicque: L'Excitation en Function du Temps, p. 95.
7.
Nernst: Zur Theorie des elektrischen Reizes. Archiv, ges Physiologie, CXXII, 1908, p. 275.
8.
HillA. V.: A New Mathematical Treatment of Changes of Ionic Concentration in Muscle and Nerve Under the Action of Electric Currents. Jour. of Physiol.V. 40, 1910.
9.
MilnerS. R.: Polarization at a Metallic Anode. Phil. Mag.9, 1905.
10.
MillerW. L.GordonA. R.: Numerical Evaluation of Infinite Series and Integrals which Arise in Certain Problems of Linear Heat Flow, Electrochemical Diffusion, etc. Jl. Physical Chemistry, V. 35, October, 1931.
11.
LucasKeith: Jl. Physiology, V. 36, p. 253.
12.
de AlmeidaMiguel Ozoria: Sur la Theorie de l'Excitation Electrique. Ann. de Physiol., V. 3, 1927, p. 129.
13.
ChauchardM. et Mme.: Recherches Quantitatives sur L'Addition Latente. Ann. de Physiol, Vol. 1, 1925, p. 6; et A et B Chauchard, Comptes Rendus Soc. de Biol., 94, 1924, p. 1224.
14.
HillGeraldZotterman: Jl. Physiol., V. 63, 1927.
15.
WegelRieszBlackman: To be published shortly in Jour. Acou. Soc. Am.
16.
Made by MunsonW. A., Bell Tel. Lab., to be published shortly in the Jour. Acous. Soc. Am.
17.
RoafH. E.: Phil. Mag. Vol. 43, p. 49, February, 1922.
18.
Science, January 21, 1927.
19.
See Grundfest: Heterochronism in the single nerve-muscle complex of the retolinqual membrane. Proc. Soc. Exp. Biol., 1932.
20.
The first determination of this threshold was made for the purpose of defining an upper boundary for the auditory “sensation area.” See Physical Examination of Hearing, R. L. Wegel, Proc. Natl. Acad Sci., July, 1922.
21.
Physical Characteristics of Audition. R. L. Wegel, Bell System Technical Journal, November, 1922.