Totus and Totum

The whole Christ is God and man, but not the whole of Christ. Whole in the masculine (totus) denotes a person in the concrete, but whole in the neuter (totum) a nature in the abstract.

 

Francis Turretin, Institutes of Elenctic Theology, ed. James T. Dennison Jr., trans. George Musgrave Giger, vol. 2 (Phillipsburg, NJ: P&R Publishing, 1992-1997), 321.