Upon the distillation of birch leaves from Betula alba, L., H. Hsensel5) obtained 0,04 to 0,049 p.c. of an oil which was liquid at higher, but solid at lower temperatures. d35o 0,9074 and d80o 0,8683; A. V. 99 and 30; S. V. 146,7 and 111; optically inactive. It contains a paraffin which crystallizes from hot alcohol in laminae, and melts at 49,5 to 50°.

1) Chem. Zentralbl. 1902, II. 12C8.

-) Comp. Report of Schimmel & Co. October 1905, 13; October 1909, 28.

3) Berl. Berichte 38 (1905), 1636.

4) H.Hamsel, Chem. Zentralbl. 1909, II. 1556.

5) Apotheker Ztg. 19 (1904), 854. - Chem. Zentralbl. 190S, I. 1837.