[126] Kühne and Chittenden: Studies in Physiol. Chem., Yale Univer., vol. ii, p. 12.

[127] Chittenden and Bolton: Ibid., vol. ii, p. 153.

[128] Kühne and Chittenden: Zeitschr. f. Biol., Band 19, p. 201.

[129] Chittenden: Studies in Physiol. Chem., Yale Univer., vol. iii., p. 80.

[130] Chittenden and Painter: Ibid., vol. ii., p. 195.

[131] Kühne and Chittenden: Ibid., vol. iii, p. 147.

[132] Chittenden and Hart: Studies in Physiol. Chem., Yale Univer., vol. iii, p. 37.

[133] Chittenden and Solley: Journal of Physiol., vol. xii, p. 33.

[134] Chittenden and Hartwell: Ibid., vol. xi, p. 441.

[135] Chittenden and Mendel: Ibid., vol. xvii, p. 48.