Page:Loimologia 1721.djvu/148

 ? 1 8 Of the manifeft Signs Se£Hon concerning the Cure of Carbuncles ; we iliall here therefore fubjoin fomewhat concern- ing peftilential Spots, called Petechia. THE Petechia then are little Spots upon the Skin, not eafily diftinguifhable from a Flea-Bite j though this Difference may be obferved, in a Flea-Bite there may be feen a Pun&ure in the middle, where the little Creature had ftruck in its Teeth, and round it an Inflammation, with a little extravafa- ted Blood : But thefe Soots are more uniform in their Colour, more fixed, and difficult to be removed y whereas upon any Prelfure with the Finger, a Flea-Bite gives Way, except in the central Pun&ure. Furthermore the pefK- lential Petechia are to be difKnguifhed from the Spots of a malignant Fever, as they are deep- er coloured^ and likewife to be known (as before obferved,) from Scurvy Spots, which are much broader, and not always exa&ly round - although thefe are likewife fometimes intermixed with the peftilential ones, and by Means of the aforementioned Affinities be- tween them, hardly in fome Cafes to be diitinguimed. TO this it may be added, that the pe- ftilential Petechia do not always fix in the fame