Introduction. xim drfe of their repofitories, and among the mountains inufl be able to do the fame. We muft know the P ro perties and compofition of minerals, and f I eir variety of oeconomical ufes, and muft know ow to make, arrange, and defcribe collections, and muft be well acquainted with the hiftory of the indi vidual fpecies, and with that of ory&ognofie in gene- j Notwithftanding the long experience and minute In fom . e ' . r countries hich are required to form an accomplish- C(1 OrVCTOfrnr J,-* r . viewed as j 6 ui *Ul, in lome countries mineralogy has an infigm- bem hitherto confidered as merely a trifling branchS"? or chfcr'V* medici " C ’ ° r 0f p0lWcal ““"■>“'y.!S..r Mtri,- u P er “ a P s with the art of mending a dull fire, kuuwled s e * StT 7 ? erfon conc -ves he underftands, whe! not. Thp S ? lV£n ^himfelf the trouble of learning it or when fuch We truft > is not far diftant * knowledge, will fink ^ regularly ft^d- 0 ^ ^ ^ cfteemed worth y of being <?V » BOOKS