. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. Job CIVIC BIOLOGY Germs circulating in the blood are usuallv drawn off bv blood-Slicking insects, ticks, or mites ; malaria and yellow fever, by mosquitoes ; typhus fe^•er, by body lice (and per- liaps by fleas and bedbugs) ; plague, b}^ fleas (possibly also leprosy); typhoid, by bedbugs ; Texas fever and spotted fever, by ticks; infantile paralysis (?) and anthrax, by the .Micrococci Bacilli S|>irilla. (Pneu ni'jii'i'J, , S' Boils) Inflarivrnati

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. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. Job CIVIC BIOLOGY Germs circulating in the blood are usuallv drawn off bv blood-Slicking insects, ticks, or mites ; malaria and yellow fever, by mosquitoes ; typhus fe^•er, by body lice (and per- liaps by fleas and bedbugs) ; plague, b}^ fleas (possibly also leprosy); typhoid, by bedbugs ; Texas fever and spotted fever, by ticks; infantile paralysis (?) and anthrax, by the .Micrococci Bacilli S|>irilla. (Pneu ni'jii'i'J, , S' Boils) Inflarivrnation (rt'lppC. 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 Hodge, Clifton Fremont, 1859-; Dawson, Jean, 1873-. Boston, Ginn

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