ERRATA.
Page [9], n. for Dr. Werner, read Profeſſor Werner. [15], line 23, for Vandell, read Vandelli. [21], line 10, for red, read green. [41], line 9, for acidor, read acid or. [71], line 5, for 27,500, read 21,000. [75], note —— 27,500, read 21,000. [95], line 1, for 100 parts, read centenary. [97], line 7, for berolineuſe read, Berolinenſe.
[1]. In this tranſlation they are introduced in their proper places. W.
[2]. There is no difficulty in doing this: either the foſſil, or the vegetable fixed alkaly phlogiſticated, precipitate the terra ponderoſa, inſtantly and entirely, out of the nitrous, muriatic, or vegetable acids. W.
[3]. Opuſc. chemica, vol. II. page 2–10.
[4]. Conſult particularly Profeſſor Werner’s treatiſe on the external characters of foſſils printed in German in the year 1774.
[5]. The latter part of this definition does not apply perfectly well to ſome of the ſimple ſalts. I ſhall therefore offer another, given by Dr. Cullen, viz. “Saline bodies are ſapid, miſcible with water, and not inflammable.” I am ſenſible too that this definition is not perfectly unexceptionable, ſince it has been found that vol. alkaly in an aerial ſtate is in a certain degree inflammable. W.
[6]. As the tincture of heliotropium is the niceſt known teſt of the preſence of an acid, it may not be amiſs to mention that it may be had from dyers under the name of litmus. It is very cheap, and generally requires to be greatly diluted with diſtilled water before it can be uſed. W.
[7]. De thermis pativinis.