[576] Berthelot; Essai de Chimie Mécanique: Thomsen; Thermo Chemische Untersuchungen: Ostwald; Algemeine Chemie: Muir; Elements of Thermal Chemistry.

[577] Bulletin 21, Office of Experiment Stations, U. S. Department of Agriculture, pp. 113 et seq.: Seventh Annual Report Connecticut (Storr’s) Agricultural Experiment Station, pp. 133 et seq.

[578] Vid. op. et loc. cit. 43.

[579] From personal inspection by author in Williams’ laboratory, 161 Tremont St., Boston, Mass.

[580] Journal für praktische Chemie, Band 147 {Neue Folge Band 39}, Ss. 517 et seq.

[581] Berthelot; Annales de Chemie et de Physique, 6e Série, Tome 10, p. 439.

[582] Vid. op. cit. 46, Ss. 522-523. The data in paragraph [566] are taken from Stohmann, Zeitschrift für Biologie, Band 31, S. 364 and Experiment Station Record, Vol. 6, p. 590.

[583] Journal of the American Chemical Society, Vol. 18, p. 174.

[584] Bulletins 93, 97, 101 and 102, California Agricultural Experiment Station.