SCLEROSIS n.
he brain and spinal cord. It is associated with complete or partial paralysis, a peculiar jerking tremor of the muscles, headache, and vertigo, and is usually fatal. Called also multiple, disseminated, or insular, sclerosis.
WAGTAIL n.
la and several allied genera of the family Motacillidæ. They have the habit of constantly jerking their long tails up and down, whence the name. Field wagtail, any one of several species of wagtails of the genus Budytes having the tail shorter, the legs longer, and the hind claw longer and straighter, than do the water…