. Carnegie Institution of Washington publication. IMALARIA CONTROL 201 00 2 £• < 2 o « a o OS S o H < o. 5 .^ n 00 o a •a a « o o "3 "3 a s o a > •4-* o. a o a o 10 d. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

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