...Beagle. On its return, in 1837, he devoted himself to " patiently accumulating and reflecting upon all sorts of facts which could possibly have any bearing on it," and he has been steadily pursuing the same object ever since. (Page 9.) This work is the result of...

...mysteries, as one of our greatest philosophers has called it ; and on his return home it occurred to him, in 1837, that something might perhaps be made out...sorts of facts which could possibly have any bearing upon it. After five years' work, he allowed himself to speculate on the subject, and drew up some short...

...one of our greatest philosophers has called it ; and on his return home it occurred to him, in 1 837, that something might perhaps be made out on this question...sorts of facts which could possibly have any bearing upon it. After five years' work, he allowed himself to speculate on the subject, and drew up some short...

...the clearness with which he has explained geological changes. For more than twenty years he has been patiently accumulating and reflecting on all sorts of facts which could possibly have any bearing on the origin of living things as we now behold them existing; regardless of expense and labour, lie has...

...species ; that mystery of mysteries, as it has been termed by one of our greatest philosophers. On my return home it occurred to me in 1837 that something might perhaps Ire made out on this question by patiently accumulating and reflecting upon all sorts of facts which...

...greatest philosophers"; and he tells us that, soon after his return home in 1837, it occurred to him "that something might perhaps be made out on this...sorts of facts which could possibly have any bearing upon it." We know from his own statement that he had already perceived that no explanation but some...

...species—that mystery of mysteries, as it has been called by one of our greatest philosophers. On my return home, it occurred to me, in 1837, that something might perhaps be 1 made'otit on this question by patiently accumulating and reflecting on nil sorts of facts which could...

...teacher than by quoting from Darwin's introduction to his master work. "On my return home," says Darwin, "it occurred to me, in 1837, that something might perhaps be made out of this question (The Origin of Species) by patiently accumulating and reflecting on all sorts of facts...

...species — that mystery of mysteries, as it has been called by one of our greatest philosophers. On my return home, it occurred to me, in 1837, that something might be made out on this question by patiently accumlating and reflecting upon all sorts of facts which...

...species —that mystery of mysteries, as it has been called by one of our greatest philosophers. On my return home, it occurred to me in 1837, that something...which could possibly have any bearing on it. After ' t five years' work I allowed myself to speculate on the subject, and drew up some short a* .. notes;...