heterogeny

(According to Rothe, however, anterior heterogeny comparatively rare.)

Studies in the Psychology of Sex, Volume 5 Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy Havelock Ellis 1899

Apart from this heterogeny, she was entirely normal and feminine.

Studies in the Psychology of Sex, Volume 2 Sexual Inversion Havelock Ellis 1899

Are we to say that the evidence for and against heterogeny is equally balanced?

Fragments of science, V. 1-2 John Tyndall 1856

Germany the ablest literature of the subject, even that opposed to heterogeny, is infected with this error; while heterogenists at home and abroad have based upon it a triumphant demonstration of, their doctrine.

Fragments of science, V. 1-2 John Tyndall 1856

Chaplin blamed the inability of the medium to move beyond male-centric power fantasies as a direct result of developer heterogeny and immaturity.

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(oligotrichosis terminalis), approximating to the infantile type, while another presents a complex and very rare piliferous heterogeny.

Studies in the Psychology of Sex, Volume 2 Sexual Inversion Havelock Ellis 1899

Sometimes he would put up a heterogeny [this is a word made by Mr. Hawthorne, but one that was needed.

Passages from the American Notebooks, Volume 1 Nathaniel Hawthorne 1834