Animated diagrams show the fly as a disease carrier in the United States. Animated diagram based on statistics shows the relation of intestinal diseases to the prevalence of flies and depicts deaths from typhoid. Views of eggs of fly. They develop into hairless whitish larvae. While feeding on the manure in which they live the larvae gradually change into pupae. At the termination of the pupa stage the fly comes out of the pupa case.
A data shows that the fly is responsible for millions of progeny in the United States. The data depicts that as an adult female fly lays batches of 150 to 200 eggs several times during her short life, she is responsible for millions of progeny. To terminate the young flies: a woman pours formalin into a plate and places it in a window. The flies are poisoned and are terminated.
Methods to protect human beings from disease-carrying flies in the United States. Food suppliers at a shop - those protect merchandise from the flies. They keep their merchandise in glass shelves. A man screens his house with his child. A diagram shows exterminated fly.
U.S. Army Air Service Douglas World Cruisers (DWC) in the United States during the first flight around the world. In Aleutian Islands, Alaska: Flier Douglas World Cruiser on a lake before the hop across the Pacific to Japan. A snow-covered mountain in the background. Two cruisers. One of the cruisers warms up. One of the cruisers as it is being raised onto a Coast Guard ship. Raised aircraft engine shows engine change in Lieutenant Leigh Wade's (Pilot of the World Cruiser) airplane for a hop to Attu Island in Japan. Lt. Lowell H. Smith standing on the nose of the aircraft holding the propeller blade. A stationary cruiser on a shore. Another cruiser seen. Both are equipped with pontoons. Three of the world cruisers in flight while they are in their first flight from America to Asia. Animated map shows the dangerous route across the Pacific. The Pacific crossed by airplane. Animated map of the coastline of North America and Asia with 'Second Division Chicagoff to Kagoshima, Japan' written on the map.
U.S. Army Air Service Douglas World Cruisers (DWC) in Japan during their first flight around the world. At Etorofu, Jurile Islands, Japan: Natives congregate and carry flags. Natives of the island observing the Americans. Children do a dance. The natives perform for the Americans. World cruisers flying over snow-covered mountains, their first stop in Japan. One of the cruisers on a lake. A cruiser with personnel in the foreground. Natives enjoy a feast in honor of the Yankee pioneers. Crew of the Japanese destroyer "Isokaze" entertains with the ancient sport of sumo. One of the cruisers afloat in water. Mechanics working on aircraft. A large crowd of Japanese children waving flags. Several views of Japanese welcoming the Americans.
U.S. Army Air Service Douglas World Cruisers (DWC) in Calcutta, India during their first flight around the world. A harbor in Calcutta, India. World cruisers in the background. Cruisers taxi on water. The Indians crowded around the cruiser. One cruiser is lifted onto a pier.