Note 23 — Chapter I · THE ORIGIN OF LANGUAGE.
Reading edition
Dr. Latham points out that this statement requires modification; e.g., it is doubtful whether a howl, and not a bark, is not the organic and instinctive sound uttered by dogs. (Encycl. Brit. Art. Language.) Still we do not anticipate that any one will dispute the general proposition. See Heyse, System der Sprachwissenschaft, § 25.