Chapter 1565
[←1555]
Series II, Vol. VI, p. 769 (Ed. 1886). To this an editorial remark adds that an “F.J.B.,” in the Athenæum (No. 3069, Aug. 21, 1886, pp. 242-3), points out that Naturalists have long recognized that there are “morphological” and “physiological” species. The former have their origin in men’s minds, the latter in a series of changes sufficient to affect the internal as well as the external organs of a group of allied individuals. The “physiological selection” of morphological species is a confusion of ideas; that of physiological species a redundancy of terms.