Between hic and hoc, 4 letters
Feminine this, to Brutus, 4 letters
Middle of a Latin trio, 4 letters
This (girl), to Brutus, 4 letters
This (girl), to Galba, 4 letters
German biologist and philosopher, 7 letters
Advocated Darwinism and formulated the theory of recapitulation, 7 letters
Was an exponent of materialistic monism (1834-1919), 7 letters