Note 3 — PART I

Cf. Dr. J. T. Jehu’s Lectures before the Royal Society, 1919. It is noteworthy that whatever be the geological date of Man, the oldest true fish, as we understand the term, seems the Shark family, which, although extremely archaic, has but little altered. Next in seniority comes probably the Ceradotus; if now “merely a living fossil” and found only in Queensland, its form, hardly modified, corresponds with remains found all over the world as early as from the Trias.