Note 40 — Chapter VIII · Evidences of the Theory of Natural Selection.
Reading edition
Both drawings are reproduced from Mr. Poulton’s paper upon the subject (Proc. Zool. Soc., June 16, 1891).
Reading edition
Both drawings are reproduced from Mr. Poulton’s paper upon the subject (Proc. Zool. Soc., June 16, 1891).