...the majority of cases it required from nine to twelve days. While the larvae are thus developing the flies are constantly laying fresh eggs in the wounds, so that the young worms take the place of the matured ones, and thus keep up a constant and progressive loss of tissue. If the worms...

...view of head and mouth parts. Screw-worm Fly, wings expanded. While the larvae are thus developing the flies are constantly laying fresh eggs in the wounds,...keep up a constant and progressive loss of tissue. If the worms are not killed they eat constantly deeper, and often kill the animal. Sometimes the abdomen...

...until checked by return of cold weather. As Francis says, " While the larvae are thus developing, the flies are constantly laying fresh eggs in the wounds,...keep up a constant and progressive loss of tissue." As the eggs which produce the screw-worms are deposited mainly in the nostrils, it would seem comparatively...

...the majority of cases it required from nine to twelve days. While the larvse are thus developing the flies are constantly laying fresh eggs in the wounds,...the young worms take the places of the matured ones, an thus keep up a constant and progressive loss of tissue. If the worms are not killed they eat constantly...

...developing the flies are constantly laying fresh eggs in the wounds, M> that the young worms take the place of the matured ones, and thus keep up a constant and progressive loss of tissue. If tbe worms are not killed they eat constantly deeper, and often kill tbe animal. * • * Tbe treatment...

...till checked by the return of cold weather. As Francis says: While the larva are thus developing, the flies are constantly laying fresh eggs in the wounds,...keep up a constant and progressive loss of tissue. To sum up the life cycle then, we have a small fly capable of laying hundreds of eggs. These eggs in...

...checked by return of cold weather. As Francis says : While tho larva* are thus developing, the Hies are constantly laying fresh eggs in the wounds, so...and thus keep up a constant and progressive loss of tissuo. EEMEDIES. It is evident from the above accounts that the fatal cases in man are due to the...

...till checked by return of cold weather. As Francis says : While the larvae are thus developing, the flies are constantly laying fresh eggs in the wounds,...of eggs, mainly in the nostrils, sometimes in the FIG. 69.— rnparium of C. macellaria — en- Flo. 70.— Pnparinm of C. macellaria, aliowing larged...