The landscape to-day was dark with a sort of indigo-blue shadows; the clouds above big and threatening, as though they were nursing the thunderthe distance veiled in a blue-grey haze.

At noon the northwestern sky, a third of the way to a point overhead, was of an indigo-blue color; but it still seemed to be clear skythough I looked at it with suspicion, it was such an unusual thing for January.

4. 'Blue milk' is characterized by the appearance on its surface, eighteen or twenty-four hours after it is drawn, of small, indigo-blue spots, which rapidly enlarge until the whole surface is covered with a blue film.