Show atmospheric poison people have often said baid that no difference can be detected in the of pure pare and virgure impure air this is one of the vulgar errors d difficult cult to dislo dislodge dge Age fronz the public brain the fact is is the condensed air of a crowded room gives a deposit winch which if allowed to remain ton tor a few days forms a thick glutinous mass having a strong odor of animal matter if exam examined ined loed by b the micro microscope it is seen to undergo a remarkable change first of all it is converted into a vegetable growth and this is followed by the production of multitudes of ra a decisive proof that it must contain organic matter otherwise it could not nourish arganie organic beings this was the result arrived at a by drangas dr angus smith in his beautiful experiments on the air and water of towns where he showed how the lungs and skin gave out organic matter which is in itself a deadly poison polson 1 producing ro d acing headache hea daae sickness disease dis aase or epidemic epidemic according to its strength why if a few drops of the liquid matter obtained by the condensation of the air of afoul a foul locality introduced into the vein of a dog can produce death with the usual phenomena of typhus fever 73 what evil must it not produce on those human beings brings who breathe it again and again rendered fouler arid less capable of sustaining i ning lifo ifo with every breath drawn such contamination of the air and ind consequent hotbed hot bed of fever fevel and ia is easily ly within the power of bf man to tb remove ventilation ti abd cleanliness will do flo all so far as the abolition of this evil evig gods and arid ventilation and cleanliness ss are not miracles to 0 be pra prayed d for but bub certain obedience ved beg anee to the laws law a of go dl work lii lil tyl frh trl a t |