...formation, in flat horizontal beds al-. ternating with other earths in some places; in others in kidney form masses from the size of an egg to that of a man's head, in form resembling much the Hint found frequently in chalk formations. PRIMITIVE FORMATION. The south east limit of the great primitive...

...varies from a bluish to a pure white colour, and contains layers of Flint. Flint occurs in nodules from the size of an egg to that of a man's head ; these are broken up for gun-flints, or ground down for the manufacture of china, and other purposes....

...formation, in flat horizontal beds, alternating with other earths in some places, in others in kidney-form masses, from the size of an egg to that of a man's...much the flint found frequently in chalk formations. In the ordinary mineral productions, such as sand of all qualities, brick-earth, stone adapted for...

...the Mediterranean Sea. Here it is found growing to the rocks or stones at the bottom of the sea in masses, from the size of an egg to that of a man's head. The sponge is either obtained by dredging or diving, more commonly the latter. The inhabitants of the...

...varies from a bluish to a pure white colour, and contains layers of Flint. Flint occurs in nodules from the size of an egg to that of a man's head; these are ground down for the manufacture of china and other purposes. 73. As the groups of strata...

...the Mediterranean Sea. Here it is found growing to the rocks or stones at the bottom of the sea in masses, from the size of an egg to that of a man's head. The sponge is either obtained by dredging or diving, more commonly the latter. The inhabitants of the...

...hundreds of feet thick, and generally stratified : part of it is pebbly, with the rounded stones sometimes from the size of an egg to that of a man's head, but none of them arc scratched or polished. It covers the plains about Lake Geneva and the lowlands...

...hundreds of feet thick, and generally stratified; part of it is pebbly, with the rounded stones sometimes from the size of an egg to that of a man's head, but none of them are scratched or polished. It covers the plains about Lake Geneva and the lowlands...

...hundreds of feet thick, and generally stratified; part of it is pebbly, with the rounded stones sometimes from the size of an egg to that of a man's head, but none of them are scratched or polished. It covers the plains about Lake Geneva and the lowlands...

...is obtained from the Mediterranean, where it grows on rocks and stones at the bottom of the sea in masses from the size of an egg to that of a man's head. Our supplies are received from Cyprus and Candia, from the shores of Anatolia, and from several islands...