Thus the introduction of heterogeneity, or the appearance of a new phase, demands the existence of a fixed temperature of transformation.
The superiority of animals to plants and metals in the possession of special organs of sense is connected with the greater complexity and heterogeneity of their structure.
In the regions of greatest linguistic mixture is the greatest heterogeneity of cephalic index.
The imperfect fragment was edited by his brother and Dr Buschmann in 1836, and contains the remarkable introduction on "The Heterogeneity of Language and its Influence on the Intellectual Development of Mankind" (Ober die Verschiedenheit des menschlichen Sprachbaues and ihren Einfluss auf die geistige Entwickelung des Menschengeschlechts), which was afterwards edited and defended against Steinthal's criticisms by Pott (2 vols., 1876).
Lord Rayleigh has pointed out that the difference may arise from the heterogeneity of alloys.