Show Lon londona dons watal fatal bogs the fog that en shrouded the town from november 1879 to the beginning of 1880 had serious results the deaths froni from bronchitis increased to per cent above the average those from whooping con cough gh to per cent during the fog of 1891 5 mortality increased almost a as annuch much the particles pr prevent ev ent the perfect aeration of tho the blood interfering ter fering with the of gases in the lungs they impede the oxidation of the carbon and in weal weak organisms they cause a loss of vital heat boat that frequently ends in death the effect of smoke fog on an vegetables may maybe be properly taken as an index of its ita effect on animals horticulturists in and around london tell us that whenever the fog appears buds drop and many flowers are destroyed st gt country horticulturists on the other hand say that the tha white fogs do not injure even conservatory plants the fogs of 1891 and 1892 were unusually serious in their effects on flowers e re and foliage during recent years the bli blight caused by london fog extended to maidstone thirty miles away it would seem then that the area of the smoke fog is sixty miles in diameter national review |