The Consensus In Philosophy Of Biology Is That Biological Essences, Such As The Essences Of Species, Are Wholly Relational; Michael Devitt Argues That They Are At Least Partly Intrinsic. He Further Argues That An Individual Is Essentially A Member Of Its Species. He Concludes By Considering Whether Race Is Biologically 'real'. Michael Devitt. This Edition Also Issued In Print: 2023. Includes Bibliographical References And Index.