. Dr. Evans' How to keep well; . CLDSED. ?PEN Fig. 130.—Rat Guard for a Ships Cables. The flea is the agent that binds them together. Bat fleas carry the bacillusof plague back and forth between rats and men by sucking the bacteria intotheir stomachs along with the blood. The India Plague Commission foundthat plague bacilli remained alive in fleas for fifteen days. DISEASES OF RATS As Rucker says: Plague is primarily a disease of rodents and, sec-ondarily and accidentally, a disease of man. He puts it in doggerel asfollows: PLAGUE 295 First plague in rats, and then in fleas,Then plague in man
. Dr. Evans' How to keep well; . CLDSED. ?PEN Fig. 130.—Rat Guard for a Ships Cables. The flea is the agent that binds them together. Bat fleas carry the bacillusof plague back and forth between rats and men by sucking the bacteria intotheir stomachs along with the blood. The India Plague Commission foundthat plague bacilli remained alive in fleas for fifteen days. DISEASES OF RATS As Rucker says: Plague is primarily a disease of rodents and, sec-ondarily and accidentally, a disease of man. He puts it in doggerel asfollows: PLAGUE 295 First plague in rats, and then in fleas,Then plague in man and quick rats, no fleas, no plague disease/ Our present day interest in rats is because plague is epidemic in PortoEico and Cuba, and from those footholds is menacing us. Through the Panama Canal the pest holes on the north part of thewest coast and some of the north coast of South America are within menacingdistance of our gulf and Atlantic ports, and plague can jump as far as afreight car or ship can haul a rat in two
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