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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1832 Excerpt: ...Joubert, quoted by the same author, describes them under the name of Sirones, as always being concealed beneath the epidermis, under which they creep like moles, gnawing it, and causing a most troblesome itching. It appears that Mouffet, or whoever was the author of that part of the Theatrum Insectorum, was himself also well acquainted with these animals, since he remarks that their habitation is not in the pustule but near it; a remark afterwards confirmed by Linne, and more recently by Dr. Adams.f In common with the former of these authors, Mouffet further notices the effect of warmth upon them in exciting motion. Our intelligent countryman also observes that they cannot be Pediculi, since they live under the cuticle, which lice never do. In more modern times, microscopical figures have been added to descriptions of the insect. Bonomo first furnished this valuable species of elucidation. His figures, however, which are copied by Baker in his work on the microscope, are far from accurate. J Those of De Geer and Dr. Adams are much more satisfactory, and mutually confirm each other. From them it is evident that the same insect inhabits the scabies of Sweden and Madeira. Dr. Bateman, in the letter before alluded to, informs his correspondent, that he had seen that from Madeira, and gives it as his opinion that there cannot be a doubt of the existence of an Acarus Scabiei; an opinion which he repeats in his late work on Cutaneous Diseases; and which, according to Hermann, has been also rendered unquestionable by Wichmann in his Etiologie de la Gale (Hanovre 1786), a work I have not had an opportunity of consulting. From all this we may regard the point as so far settled, that an animal of this kind exists at least as an occasional concomitant of sc...

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