VIII

P» i LE Y (G. V.). — On the causes of variations in organic forms. — Proc. Ain. Assoc. Adv. Science, 226-273. 1888

— Ad dre ss lo the Biological Society of Washing-

ton. — Proceed. of llie biol. Soc. of Washington, \\. 1890

Robin (Ed.). — Mémoire sur l’art de faire produire le sexe que l’on désire. — Paris, 8°. 1875

Humaines (G. J.). — Physiological Sélection: an addilional suggestion on the Origin of Species. — Jour n. Linn. Soc. London, XIX, 337- '»11. 1886

The factors of organic Evolution. — Nature, XXXVI, 001-007. 1887

— Article sans titre. — Biol. Papers at the

Brit. Assoc., XL, 609-610: Nature. 1889

— Panmixia. Letter to the Editor. — Ibid.,