Note 30 — Chapter XXIII · DIRECT AND DEFINITE ACTION OF THE EXTERNAL CONDITIONS OF LIFE.
Reading edition
Mr. Blyth, ‘Annals and Mag. of Nat. Hist.,’ vol. xx. 1847, p. 391.
Reading edition
Mr. Blyth, ‘Annals and Mag. of Nat. Hist.,’ vol. xx. 1847, p. 391.