The New Encyclopaedia Britannica, Volume 23Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 16
... Aschelminthes ) that is a common parasite of man and other primates in central and West Africa . It is transmitted to man ( the primary host ) by the deerfly , Chry- sops ( the intermediate host ) , which feeds on primate blood . When ...
... Aschelminthes ) that is a common parasite of man and other primates in central and West Africa . It is transmitted to man ( the primary host ) by the deerfly , Chry- sops ( the intermediate host ) , which feeds on primate blood . When ...
Page 135
... Aschelminthes ) that usually require two hosts , an arthropod ( the intermediate host ) and another animal ( the primary host ) , to complete the life cycle . The larval phase oc- curs within the body of a biting insect . The mature ...
... Aschelminthes ) that usually require two hosts , an arthropod ( the intermediate host ) and another animal ( the primary host ) , to complete the life cycle . The larval phase oc- curs within the body of a biting insect . The mature ...
Page 433
... Aschelminthes . About 1,800 species are known . They occur in salt water and fresh water and are also found on sandy seashores . The body , which ranges in size from 0.1 to 1.5 millimetres ( 0.004 to 0.06 inch ) , is covered by a ...
... Aschelminthes . About 1,800 species are known . They occur in salt water and fresh water and are also found on sandy seashores . The body , which ranges in size from 0.1 to 1.5 millimetres ( 0.004 to 0.06 inch ) , is covered by a ...
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