| Show EXERCISE IN OPEN an AIE from Hart expedition to the polar sea we extract the following additional proof of the wisdom oi 0 the doctors boston statesman nature has qualified man to breathe an atmosphere below betow degrees above zero or 50 bei bolow it a d terence difference of degrees without injury to health and the doctrines of physicians that great and sudden changes ot of temperature tera Cera pera ture are injurious to health is disproved by recorded facts there are very few arctic navigators who lle ile lie die in the arctic zone it is the most healthy clit climate nate on the globe to those who breathe the open oppi air wi have among our associate observers and rocchi s the he changes of temperature in il ili lii i where the rose at at J 0 clock p in and n next at morning at five was down to forty degrees a change of seventy five dearies in fourteen hours there the are health healthy and another it at franconia fra cema atma iconia N II 11 who where the e changes are lin i i st slit si s i 14 mr n th tb most frequent and of the 11 a rt A at x ot t 1 ol 01 ci zy vy place with which I 1 am n ipiniu mue gue on the american continent and yet there is no town of its size chatlas so neat a population p of its inhabitants who pass hedge theace cf cl three or ore years eyears andun and ten I 1 P is rho tho q div oil oll v cr cf tha the air that cons s he hie fi 17 re pe ib b t ians lans notice and not the |