McKenzie's Dead Shot Worm Candy

Colour card advertisement of medicinal candy that treats worms,  depicting an illustration of a girl with her dog, with text, "McKENZIE'S DEAD SHOT WORM CANDY FOR WORMS. W.H. COSTOCK, Sole Proprietor, Brockville, Ont."  The back of the card contains text stating, "The Allwise Creator ever intended that more than half of the children should die before they are five years old… McKenzie's Dead Shot Worm Candy for Worms is for sale by all Agents for Morse's Indian Root Pills."