Kemp (35, 331–332, 1888; 36, 247–253, 1888; 38, 130–134, 1889).
[124]. Zirkel, Lehrbuch der Petrographie, 2d ed., 1893.
[125]. Hunter and Rosenbusch, Ueber Monchiquit, etc., Min. petr. Mitth., 11, 445, 1890. Rosenbusch, Ueber Structur und Class. der Eruptivgesteine, ibid., 12, 351, 1891.
[126]. Iddings, Origin of Igneous Rocks, Bull. Phil, Soc. Washington, 12, 89–213, 1892.
[127]. Brögger, Mineralien der Syenit-pegmatit-gànge, etc., Zs. Kryst., 16, 1890.
[128]. ——, Basic Eruptive Rocks of Gran, Quart. Jour. Geol. Soc., 50, 15, 1894; Grorudit-Tinguait-Serie, Vidensk. Skrift. 1 Math. nat. Kl., No. 4, 1894.
[129]. Weed and Pirsson, e. g. Shonkin Sag, the Journal, 12, 1–17, 1901.
[130]. The references for the articles mentioned (all in the Journal) are as follows:
Becker, 46, 1893; 4, 257, 1897; 3, 21–40, 1897.
Cross, 39, 657–661, 1915.