Volcanic Islands

Excerpt-Only five years before, when listening to poor Professor Jameson's lectures on the effete Wernerianism, which at that time did duty for geological teaching, Darwin had found them "incredibly dull," and he declared that "the sole effect they produced on me was a determination never so long as I lived to read a book on Geology, or in any way to study the science."
What a contrast we find in the expressions which he makes use of in referring to Geological Science, in his letters written...