Show WHIT MI WILL THE DISEASE DRIVEN FROM THE PATH OF civilization achievements along the panama can al forecast the return of white races to tropics Tr new york juno june IS 13 colonel wm win C gorgas TJ S A federal commissioner in charge of tho the sanitation in tit the panama canal zone addressing tho the gradi graduating tating class of tho the cornell university medical college here prophesied th that lt gradually within the next two or three centuries cent urles tropical countries which offer a much greater return for mans labor than do the temperate zones will be settled by the white races and that again the centers of wealth civilization and population will bo be in the troD tropics les as an they were in the dawn of mans history rather than in the temperate zones as at present colonel gorgas bases his opinion on I 1 the tile sanitary achievements since tho american military occupation 0 of cuba in 1898 and the thoe in the canal zone sinco american possession in may 1901 tho the lat wit case of yellow fever in the canal yone vone lio lie said occurred in december 1905 which was only about sixteen months later he lie described the war of annihilation waged against the tile yellow fever mos quito and against the anopheles malaria mosquito and continued we have had no yellow fever anywhere on the isthmus for more than a 3 year we believe that in the towns of panama and colon the havo have been so reduced in numbers in fact almost exterminated that yellow fever mould not spread if introduced malaria has been so controlled that the sick rate of our total force ia m the month of april 1907 was less lea than 17 per 1000 |