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United States Department of Agriculture, Ancon, Canal Zone
While the optimum breeding places of malarial mosquitoes on the Canal Zone are in fresh or slightly brackish water, three instances are cited of heavy breeding in over 50 per cent of sea water. Several other unusual habitats are also recorded.
Received March 12, 1927.
1 Published with permission of the Surgeon General, United States Army, who is not responsible for any opinion expressed or conclusions reached herein.
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