Aldrich, Thomas Bailey, 1836-1907 · Boston, CT : Hall and Locke · leaf 143
d traver-tine, and with it rise the walls and floor of the cup bythe deposit of successive layers of stalagmite producedby the drop percolating into the limestone of the floorwhich hardens it still further, but in this peculiar sym-metrical way. From the floor and sides of the cup thewater oozes… … FiG. 6. Concretions in Aeolian Rocks,Bermudas. A Stalagmite Cave 117 lagmite, and it is these tubes and threads of stalagmitewhich afterwards in the pseudo-fossil represent thediverging rootlets. Sometimes when two or more drops fall from stalac-tites close to one another the cups coalesce (Figs.…
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