A Practical Treatise on Variola Ovina; Or, Small-Pox in Sheep, Containing the History of Its Recent Introduction Into England With the Progress, ... to Ascertain Its Peculiar Features, and - Tapa blanda

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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. 1848. Excerpt: ... CHAPTER IV. Nature And Origin Of Variola Ovina--Its EpizooTic Character--Disease Produced By Infection--Experiment To Test Its Infectious Properties--Susceptibility Of Different Sheep--Natural, Inoculated, Distinct, And Confluent Variola--Incubation--Papulation--Vesication--SuppuRation--Ulceration--Desquamation--ConstituTional Symptoms--Per-centage Of Deaths--Treatment, Medical And Hygienic. Having, in the preceding portion of this treatise, made mention in a general way of many of the peculiarities of ovine-pox, we intend, in the following pages, to describe its nature and symptoms, and also the changes which take place in the tissues in consequence of its attack. The disorder has so many points of similarity with the small-pox of the human subject, that we are enabled to adopt the definition of it which Mr. Erasmus Wilson gives in his work on " Diseases of the Skin." That gentleman has introduced a new and highly scientific arrangement of these affections, in which small-pox is classed among the specific and congestive inflammations to which the dermoid covering is liable. The lesions caused by the malady are not, however, confined to the external parts of the frame; and therefore Mr. Wilson says that "variola is an acute inflammation of the tegumentary investment of the entire body, both cutaneous and mucous, associated with fever of an infectious and contagious kind." This description may be considered as equally correct when applied to sheep-pox. That variola does not shew precisely the same local effects in the sheep as in man, we admit, and, indeed, its progress and symptoms vary in the different domesticated animals; but these diversities are rather to be referred to the special arrangement and development of the component parts of the integument ...