1. Prima facie cause on railroad right of way. The fact that a fire originates upon the right of way of a railroad shall be prima facie evidence that the fire was caused by the negligence of the railroad company.

2. Prima facie cause in clearing lands. Whenever a fire has been set for the purpose specified in subdivision 5 of section 9-1105 in any of the fire towns it shall be prima facie evidence that the fire was started by the owner or occupant of the land.