Show on the A curious and not uncommon effect of lightning la the formation of certain or treelike marks upon the body by early observers they were believed tp be duo to the of objects were photographed to upon the skin various explanations pla nations were offered by different authorities ties richardson has shown by experiment peri ment that the blood Is the bast electrical conductor cfall human tissues and that these mark are merely abo impressions of the blood vessels on the skin duo to the action of the lightning on tho blood in the vessels exchange |