[Modern science] passed through a long period of uncertainty and inconclusive experiment, but as the instrumental aids to research improved, and the ….

The increasing technicality of the terminology employed is also a serious difficulty. It has become necessary to learn an extensive vocabulary before….

[Microscopic] evidence cannot be presented ad populum. What is seen with the microscope depends not only upon the instrument and the rock-section, bu….

Perfect concordance among reformers is not to be expected; and men who are honestly struggling towards the light cannot hope to attain at one bound t….

Pressure, no doubt, has always been a most important factor in the metamorphism of rocks; but there is, I think, at present some danger in over-estim….