1. Berzelius, J., Lehrbuch der Chemie, iv, pt. 1, 172, cited from Paijkull (2) who also gives other references of the paragraph.
2. Galdi, F., Morgagni, 1908, xlix; abstracted in Biochem. Centr., 1908-09, viii, 202; also in Chem. Abstr., 1909, iii, 2181.