The coat is shaggy and oily, and is preferred with as little white as possible, but the general black coloration may have rusty shades.
Geuther, who showed that the chief product of the action of sodium on ethyl acetate was a sodium compound of composition C6H903Na, which on treatment with acids gave a colourless, somewhat oily liquid of composition C6H1003.
The brown testa contains, in the outer of the four coats into which it is microscopically distinguishable, an abundant secretion of mucilaginous matter; and it has within it a thin layer of albumen, enclosing a pair of large oily cotyledons.
Otterhounds are thick, woolly harriers with oily underfur.
The contents are of an oily nature, and when liquefied are of great commercial value.