...Naturalist, I was much struck with certain facts in the distribution of the [creatures] inhabiting South America, and in the geological relations of...inhabitants of that continent. These facts . . . seemed to throw some light on the origin of species — that mystery of mysteries, as it has been called by one...

...the Introduction to the Origin, Ed, i, viz. " When on board HMS 'Beagle,' as naturalist, I was much struck with certain facts in the distribution of the...to the past inhabitants of that continent." These words, occurring where they do, can only mean one thing, — namely that the facts suggested an evolutionary...

...naturalist, I was much struck with certain facts in the distribution of the organic beings inhabiting South America, and in the geological relations of...inhabitants of that continent. These facts seemed to throw some light on the origin of species — that mystery of mysteries, as it has been called by one...

...naturalist, I was much struck with certain facts in the distribution of the organic beings inhabiting South America, and in the geological relations of...the past inhabitants of that continent. These facts, as will be seen in the latter chapters of this volume, seemed to throw some light on the origin of...

...as naturalist, I was struck with certain facts in the distribution of the organic beings inhabiting South America, and in the geological relations of...present to the past inhabitants of that continent. . . . On my return home it occurred to me . . . that something might perhaps be made out on this question...

...twenty years' patient study and reflection. In the introduction to the book he modestly says ; — relations of the present to the past inhabitants of that continent. These facts, as will be seen in the later chapters of this volume, seemed to throw some light on the origin of species...