When the trigeminus nerve is divided (Majendie), or when its root is compressed injuriously, say Iby a tubercular tumour, the cornea begins to show points of ulceration, which, increasing in area, may bring about total disintegration of the eyeball.
In Guatemala Elaps fulvus is mimicked by Pliocerus equalis; in Mexico Elaps corallinus by Homalocranium semicinctum, and in Brazil, Elaps lemniscatus by Oxyrhopus trigeminus.
He is represented as a monster with three heads or three bodies (triformis, trigeminus), sometimes with wings, and as the owner of herds of red cattle, which were tended by the giant shepherd Eurytion and the two-headed dog Orthrus.