. Handbook of medical entomology. Insect pests; Insects as carriers of disease; Medical parasitology. Stinging Insects 39 results are usually from a number of stings but, rarely, death has been known to follow a single sting, entering a blood vessel of a partictdarly susceptible individual. It is clearly established that partial immunity from the effects of the poison may be acquired. By repeated injections of the venom, mice have been rendered capable of bearing doses that certainly would have killed them at first. It is a well-known fact that most bee-keepers become gradually hardened to the


. Handbook of medical entomology. Insect pests; Insects as carriers of disease; Medical parasitology. Stinging Insects 39 results are usually from a number of stings but, rarely, death has been known to follow a single sting, entering a blood vessel of a partictdarly susceptible individual. It is clearly established that partial immunity from the effects of the poison may be acquired. By repeated injections of the venom, mice have been rendered capable of bearing doses that certainly would have killed them at first. It is a well-known fact that most bee-keepers become gradually hardened to the stings, so that the irritation and the swelling become less and less. Some individuals. L1/ Effect of bee stings. After Root. have found this immunity a temporary one, to be reacquired each season. A striking case of acquired immunity is related by the Roots in their "A B C and X Y Z of Bee ; The evidence in the case is so clear that it should be made more widely available and hence we quote it here. A young man who was determined to become a bee-keeper, was so susceptible to the poison that he was most seriously affected by a single sting, his body breaking out with red blotches, breathing grow- ing difficult, and his heart action being painfully accelerated. "We finally suggested taking a live bee and pressing it on the back of his hand until it merely pierced his skin with the sting, then immediately brushing off both bee and sting. This was done and since no serious effect followed, it was repeated inside of four or five days. This was continued for some three or four weeks, when the patient began to have a sort of itching sensation all over his body. The hypodermic. 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 Riley, William A. (William Albert), b. 1876; Johanssen, Oskar Augus


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1915