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BLOOD PARASITES OF BIRDS COLLECTED IN FOUR SUCCESSIVE YEARS IN PANAMA
1 Naval Medical Research Institute, Bethesda, Maryland and the Smithsonian Institution, Washington, D.C.
During February and March of 1952, 1954, and 1955 and May and June, 1953, a total of 183 blood smears were made from birds collected for the Smithsonian Institution. Blood parasites were found in 28 of these; Plasmodium (5), Haemoproteus (11), Leucocytozoon (1), Trypanosoma (4), and microfilaria (11). The frequency for all blood parasites was 15.2 per cent as contrasted with 44.4 per cent in a previous survey of birds collected in the United States. Haemoproteus was less frequent and Trypanosoma more frequent in the birds from Panama than those in an earlier study from the United States.
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