The Physical Basis of SocietyD. Appleton, 1916 - 406 من الصفحات |
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الصفحة 21
... Malaria disappears in the Middle West when the marshes are drained and the land cultivated . Indeed , the disappearance of the great hordes of horses that once inhabited North America long before the advent of man is best explained on ...
... Malaria disappears in the Middle West when the marshes are drained and the land cultivated . Indeed , the disappearance of the great hordes of horses that once inhabited North America long before the advent of man is best explained on ...
الصفحة 64
... common to man and animals . We now know that some organisms like those causing malaria and yellow fever pass one part of their life cycle in the bodies of the mosquito or other insects and 64 THE PHYSICAL BASIS OF SOCIETY.
... common to man and animals . We now know that some organisms like those causing malaria and yellow fever pass one part of their life cycle in the bodies of the mosquito or other insects and 64 THE PHYSICAL BASIS OF SOCIETY.
الصفحة 129
... malaria can be cured by quinin ; iron overcomes certain types of anemia ; while syphilis yields to arsenic and pyorrhea to ipecac . It may be that future research will reveal other such specifics . Knowing the nature of the causes gives ...
... malaria can be cured by quinin ; iron overcomes certain types of anemia ; while syphilis yields to arsenic and pyorrhea to ipecac . It may be that future research will reveal other such specifics . Knowing the nature of the causes gives ...
الصفحة 137
... malaria , while Dr. W. H. S. Jones feels that malaria in no small way caused the downfall of ancient Greece and Rome . Continued warfare on the mosquito therefore will give us the victory over both malaria and yellow fever . The work ...
... malaria , while Dr. W. H. S. Jones feels that malaria in no small way caused the downfall of ancient Greece and Rome . Continued warfare on the mosquito therefore will give us the victory over both malaria and yellow fever . The work ...
الصفحة 344
... malaria , typhoid , tuberculosis and yellow fever may be held to be unwise for it preserves the types susceptible to these diseases whereas the older conditions would have ultimately destroyed the susceptible types and the sur- vivors ...
... malaria , typhoid , tuberculosis and yellow fever may be held to be unwise for it preserves the types susceptible to these diseases whereas the older conditions would have ultimately destroyed the susceptible types and the sur- vivors ...
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