The distinction between the two is also plainly exhibited when for some local or private reasons an ancient arenaria has been transformed into a cemetery.
As a rule also the catacombs had 111 more than one entrance, and frequently communicated with an arenaria or sand-quarry; so that while one entrance was carefully watched, the pursued might escape in a totally different direction by another.
Next to the Dunlin and Knot the commonest British Tringinae are the Sanderling, Calidris arenaria (distinguished from every other bird of the group by wanting a hind toe), the Purple Sandpiper, T.
On islands of rock above the snow-line - they attain to an equality with the endemic forms. As examples of northern flowers which are characteristic of the snow-region, we may mention Silene acaulis, Eritrichium nanum and Arenaria ciliata.
His ideas and experiments on the nature of minerals and other substances are voluminously set forth in his Physica Subterranea (Frankfort, 1669); an edition of this, published at Leipzig in 1703, contains two supplements (Experimentum chymicum novum and Demonstratio Philosophica), proving the truth and possibility of transmuting metals, Experimentum novum ac curiosum de minera arenaria perpetua, the paper on timepieces already mentioned and also Specimen Becherianum, a summary of his doctrines by Stahl, who in the preface acknowledges indebtedness to him in the words Becheriana sunt quae profero.