Show TEETH TURN PURPLE PURPLE WITH VITI RARE DISEASE Weird Ailment Makes Sunlight Unbearable London A weird and rare disease that turns the teeth purple and makes on the skin un unbearable carn le wa way I discussed by Prof Pro J. J Barcroft well well- I Known English physiologist In a lecture lee lec tw ture e before the Royal institution The Is so rare that there are arc only three known cases In En England Eng land lund nt ot the present time but It Is o of special interest to physiological lal and medical science because the purple substance Is closel closely allied to tn the red material hemoglobin that gives blood Its color Subtracting Its Iron hon and nud albumen from hemoglobin 1 bv by appropriate chemical pans remans leave leaves No one knows yet wh why the bodies bollie oT oaf these unfortunate patients should he be manufacturing the wrong pl meni Professor Bancroft sa said leI but the fact remains that It Is constantly being formed and deposited in their bones teeth and ond skin reacts strongly to the Invisible light or 01 ultraviolet lo et part of ot the solar spectrum so that the victims victim of ot this m mysterious ailment aliment have ha to wear gloves glo constantly constant Iy ly and If the they go out out doors In the daytime must put on hea heavy veils yells The only creature that normally wears as part of ot Its Us body covering Professor Barcroft said is a 0 I tropical bird the parts of I whose feathers are stained a brilliant I red with a 8 copper copper compound compound com pound known as This pip pIg I went anent Is further remarkable le because I It seems to be the only normal occurrence occurrence occur occur- rence of copper as a coloring compound com compound II pound in feathers or skin Is In weak alkali so that when It rains and the bird comes into contact contact contact con con- tact with such alkaline solutions a as i occur frequently In nature the poor bleaches out j Although Is rare as a normal normal nor nor- i imal mal coloring to adult animals it Is the co commonest monest pigment found In egg eggshells I shells of ot birds Almost all the colors color's j of ot birds' birds eggs from the blue of ot th the robins robin's to the homely brown of at the hens hen's contain this strange coloring matter mutter I |