Note 81 — Chapter XXIV · LAWS OF VARIATION—USE AND DISUSE, ETC.
Reading edition
Isid. Geoffroy Saint-Hilaire, ‘Hist. Nat. des Anomalies,’ 1836, tom. ii. pp. 210, 223, 224, 395; ‘Philosoph. Transact.,’ 1775, p. 313.
Reading edition
Isid. Geoffroy Saint-Hilaire, ‘Hist. Nat. des Anomalies,’ 1836, tom. ii. pp. 210, 223, 224, 395; ‘Philosoph. Transact.,’ 1775, p. 313.