Show speed of the dragon fly it is the popular belief that the flight of birds is much swifter than that 0 a who have been making a study of the matter think that is not the case A common housefly hou for example is not in its flight but its wings make tsoo beats a second and send it through the air 25 feet under ordinary circumstances in the space of that time when the insect is alarmed however it has been found that it can increase its speed to feet per second if it could continue such rapid flight for a mile in a line it would cover that distance in exactly 31 seconds itis not an thing when traveling by rail in the sum nier time to sec a bee or wasp keeping up with the train and trying to get in at the windows s considered one of the swiftest of flying birds and it was thought until recently that no iri sect could escape it A naturalist tells of an exciting chase he saw between a swallow and a dragon fly which is the swiftest of the insect flew with incredible speed and wheeled and dodged with seeh cabe the swallow despite its utmost efforts corn plemely failed to overtake and capture it golden days |