Note 271 — Chapter XX · THE RELATIONS BETWEEN LAMARCKISM AND DARWINISM; NEOLAMARCKISM
Reading edition
“Modifications of Certain Organs which seem to be Illustrations of the Inheritance of Acquired Characters in Mammals and Birds.” Zool. Jahrb. Syst. Abth., 1890, iv., pp. 629–646; also, The Lost Link, by E. Haeckel, with notes, etc., by H. Gadow, 1899.