sentences:  Moreover, it is usual to grind up the bones and other parts of the mummy together, so that the resulting powder has more solidity and is less fusible than the asphalt alone would be.A London colourman informs me that one Egyptian mummy furnishes sufficient material to satisfy the demands of his customers for twenty years.It is perhaps scarcely necessary to add that some samples of the pigment sold as 'mummy' are spurious.