The National Geographic Magazine, Volume 94National Geographic Society, 1948 - Geography Indexes kept up to date with supplements. |
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Page 260
... mosquitoes Haemagogus spegazzinii var . falco , which carry yellow fever , live in the treetops ( page 267 ) . They are numerous enough at ground level to make a walk in the forest dangerous for anyone not vaccinated , but they appear ...
... mosquitoes Haemagogus spegazzinii var . falco , which carry yellow fever , live in the treetops ( page 267 ) . They are numerous enough at ground level to make a walk in the forest dangerous for anyone not vaccinated , but they appear ...
Page 267
... Mosquitoes One surprise was a small room within a room , a magnified closet painted white , with a wet sand floor in which were buzzing about some bewildered Haema- gogus mosquitoes , the hope being that proximity , one to the other ...
... Mosquitoes One surprise was a small room within a room , a magnified closet painted white , with a wet sand floor in which were buzzing about some bewildered Haema- gogus mosquitoes , the hope being that proximity , one to the other ...
Page 270
... mosquitoes become infected if they bite when the man or monkey is in this stage . They pick up the virus along with the blood , but the virus has to go through some sort of de- velopment in the mosquito , since this mos- quito won't ...
... mosquitoes become infected if they bite when the man or monkey is in this stage . They pick up the virus along with the blood , but the virus has to go through some sort of de- velopment in the mosquito , since this mos- quito won't ...
Contents
Allen Arthur | ix |
Abu Ali Mansur Anuchtakin elAmri | x |
American Masters in the National Gallery By John Walker With 24 color reproductions | xiii |
Copyright | |
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