Note 11 — LECTURE XXIII
J. Arthur (John Arthur) Thomson translation
See H. E. Ziegler's report in Zool. Centralblatt, 1900, Nos. 12 and 13.
J. Arthur (John Arthur) Thomson translation
See H. E. Ziegler's report in Zool. Centralblatt, 1900, Nos. 12 and 13.