On malaria and miasmata and their influence in the production of typhus and typhoid fevers, cholera, and the exanthemata

Front Cover
Davies, 1863 - 251 pages
 

Common terms and phrases

Popular passages

Page 31 - ... with the proposed names of their exciters ; and it may be assumed hypothetically, that in the blood corresponding bodies exist which are destroyed, and by the transformation of which the exciters are generated or reproduced. The names in the second column terminate in a, except a few in s. Lyssa (from...
Page 34 - It must be admitted, with respect to all the forms of these diseases, that the body, in the cycle of external circumstances through which it passes, may run into them spontaneously (in this they differ from the class of diseases referred to external causes) ; for it is impossible to trace them invariably to infectious sources, it is not...
Page 30 - Miasms produce diseases like ague, without being propagated by contagion ; but the poisons — carbonic acid, sulphurretted hydrogen, and other gases, which are given off by organic matter in putrefaction, afford an illustration of their action. The miasm which excites intermittent fever may be designated pyretine ; and if it were not probable that modifications of the marsh miasm induce, in certain circumstances, remittent and yellow fever, specific names should be found for their principles. Rheumatic"...
Page 33 - Varioline in the same manner produces small pox, if the patient has not previously undergone its influence, or the influence of vaccinine — a modification of varioline. The diseases of this class have been frequently spoken of as fermentations ; and Liebig has now opened the way to the explanation of their nature by a reference to the...
Page 240 - Commission appointed to inquire into the best mode of distributing the Sewage of Towns, and applying it to beneficial and profitable uses.
Page 34 - Zymutics, is required to replace in composition the long periphrasis " epidemic, endemic, and contagious " diseases ; " with a new name, and a definition of the kind of pathological process which the name is intended to indicate, persons who have not made themselves acquainted with the researches of modern chemistry can scarcely fall into...
Page 31 - I to give names to the well-defined diseases produced by poisons, so, for the purposes of reasoning, it will be equally useful to name these specific matters or transformations of matter by which diseases are propagated, either by inoculation and contact (contagion), or by inhalation (infection). The following list exhibits the popular and scientific names of diseases in juxta-position with the proposed names of their exciters ; and it may be assumed...
Page 20 - If the water is withdrawn from a marsh, free access is given to the air, and the marsh is changed into a fruitful meadow. In a soil to which the air has no access, or at most but very little, the remains of animals and vegetables do not decay, for they can only do so when freely supplied with oxygen ; but they undergo putrefaction, for which air is present in sufficient quantity.
Page 59 - A certain amount of heat, and a sufficient time for its manifestation, are necessary for the development of certain maladies. In the West Indies, the period of disease follows the course of the sun, the unhealthy season occurring at opposite times on the northern and southern sides of the equator. As the sun proceeds northwards in the ecliptic, so the sickly season advances from the southern to the northern islands. In the Mediterranean the mortality is doubled in the hot season, between July and...

Bibliographic information