Chapter 6

human biology, and that we must not let our minds wander into vague analogies concerning birds, spiders or crustacea.

BIBLIOGRAPHY FOR CHAPTER I

1. Loeb, Jacques. Artificial Parthenogenesis and Fertilization. Chicago, 1913.

2. Loeb, Jacques. The Organism as a Whole. N.Y., 1916, p. 125--brief summary of results of [1].

3. Bower, Kerr & Agar. Sex and Heredity. N.Y., 1919, 119 pp.

4. Schäfer, E.A. Nature, Origin and Maintenance of Life. Science, n.s., Vol. 36, pp. 306 f., 1912.

5. Guyer, M.F. Being Well-Born. Indianapolis, 1916; p. 123.