sentences:  The Gytrash (or Guytrash) is a black dog and death omen of Northern England that haunts solitary ways and also takes the form of a horse, mule and cow.It was popularised in folklore by its mention in the novel "Jane Eyre" by Charlotte Brontë.There are many tales of ghostly black dogs in Lincolnshire collected by Ethel Rudkin for her 1938 publication "Folklore".