Note 14 — ACANTHOPTERYGII.

Cuvier seems to have attached much value to the character of teeth on the palate; but I agree with Dr. Richardson, (Faun. Bor. Am. Part iii. p. 19.) in considering it “of little importance as a generic character in some families of fish.” And the author last mentioned notices an instance (exactly analogous to that of the Aspidophorus Chiloensis) in the Thymallus signifer, which, he says, “resembles the common grayling very closely in its general form, but differs from it in having palatine teeth.”