Very faint they were, scarcely relieved against the night, very still and dumb-two shadowy darknesses, Emile and Vere sitting together in silence.

And as her eyes became accustomed to their environment she perceived that the pallor without was impinged upon by two shadowy darknesses.

Every stone can be seen through the clear, transparent water, but there are mysterious, shadowy darknesses in it also, reflected from the overhanging banks.