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88
STÅLFELT, M. G., 1920. Pomologisk Årsskrift, p. 125.
THoDAY, D., 1910. Proceedings of the Royal Society. London. Vol. 82
B, p. 121.
TREROUX, O., 1903. Flora. Vol. 92, p. 49.
WARBURG, O., 1919. Biochemische Zeitschrift. Vol. 100, p. 230.
Weis, FR. 1903. Comptes rendus. Paris. Vol. 137, p. 801.
WIESNER, J. 1907. Der Lichtgenuss der Pflanzen.
WILLSTÄTTER und STOLL, 1913. Untersuchungen über Chlorophyll.
—»—, 1918. Untersuchungen über die Assimilation der Kohlensäure.
APPENDIX.
Details of the most important experiments are given below. In
order to save space, the results have been combined in a single
average figure in certain places where several experiments were
undertaken under similar conditions. Further, in two or three places
in Tables VII and XI a reduction of the result to average light-
intensity has been carried out. The average concentration of the
carbon dioxide in the assimilation-chamber has been calculated
from the initial and final values. In the correction of the values
in Tables I, IV, VIII, IX, and X to a CO, percentage of 1.70 mg.
per 3 litres (0.57 mg. per litre) it has been assumed that direct pro-
portionality prevails between assimilation and CO, concentration.
In the correction of the values to a temperature of 18° I have used
the coefficient 1.35 derived from the curve of MATTHAEI (1905),
which has been found to agree quite well with my results.
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