. Elementary entomology. Insects. FIG. 373. Bots in stomach of a horse ; some removed to show point of attachment (After Osborn, United States Department of Agriculture) to their habits. All are alike in having three-segmented antennas bearing a strong bristle near the base, the modifications of which aid in distinguishing the groups. The larvae are typical white or light- colored maggots living within their food, and the pu- paria are usually formed on or in the soil. The discovery in recent years that the common house-fly and also many of its near relatives are re- sponsible for the spread o
. Elementary entomology. Insects. FIG. 373. Bots in stomach of a horse ; some removed to show point of attachment (After Osborn, United States Department of Agriculture) to their habits. All are alike in having three-segmented antennas bearing a strong bristle near the base, the modifications of which aid in distinguishing the groups. The larvae are typical white or light- colored maggots living within their food, and the pu- paria are usually formed on or in the soil. The discovery in recent years that the common house-fly and also many of its near relatives are re- sponsible for the spread of typhoid fever, intestinal diseases of in-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882. Boston, New York [etc. ] Ginn and Company
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