Trogontherium, [803].
Trowbridge, Wilts, [479].
Trunks and stems of fossil cycads, [156].
------ of sigillariæ with roots, [126].
--------- trees, investigation of, [62].
Tufa or travertine, [40], [872].
Tunbridge Wells, [415], [530].
Tunicata, [375].
Turban-echinites, [313].
Turbinolia Kœnigii, [257].