480 CONTENTS OF THE

fun's matter decreaſed; Mr. Ludlam's opinion, that it is poſſible the moon might be projected from the earth.

NoTE XV1L.--CALCAREOUS EK ARTH.

Hicn mountains and deep mines replete with ſheilsz the earth's nucleus covered with limeſtone; animals con- vert water into limeſtone; all the calcareous earth in the world formed in animal and vegetable bodies z ſolid parts of the earth increaſe; the water decreaſes; tops of calca- reous mountains diflolved; whence ſpar, marbles, chalk, Qaladites; whence alabaſtier, fuor, Aint, granulated lime- ſtone, from ſolution of their angles, and by attrition z tupha depoſited on moſs; limeſtones from ſhells with ani- mals in them; liver-Rone from freſh-water muſcles; cal- careous earth from land-animals and vegetables, as marl; beds of marble ſoftened by fire; whence Bath-ſtone con- tains lime as well as limeſtone.

NoTz XV11.--MoR assSEs.

Tar produdion of moraſies from fallen woods; ac- count by the Earl Cromartie of a new morals; moraſies loſe their falts by ſolution in water z then their iron; their vegetable acid is Converted into maring, nitrous and yi- triolic acids; whence gypfum, alum, ſulphur; into fluor- acid, whence flour; into ſiliceous acid, whence flint, the ſand of the ſea, and other ſtrata of filiceous ſand and marl; ſome moraſles ferment like new hay, and, ſubliming their phlogiſtic part, form coal-beds above and clay below, which are alſo produced by elutriation; ſIhell-filh in ſome x

>