...a full confession of belief. " It may be askoil how fnr I extend the doctrine of the modifii»tion of species. The question is difficult to answer, because the more distinct the forms are which we consider, by so mach th* argumente fall away in force. But some arguments of the greatr-t weight extend...

...these latter, "Natural History" names, the broader and more philosophic view has long prevailed. " It may be asked how far I extend the doctrine of the modification of specie*. The question is difficult to answer, because the more distinct the forma are which we may...

...convinced that natural selection has been the main but not exclusive means of modification."— P. 13. " It may be asked how far I extend the doctrine of the...consider, by so much the arguments fall away in force. JBut some arguments of the greatest weight extend very far. All the members of whole classes can be...

...consider, by so much the arguments in favour of community of descent become fewer in number and less iu force. But some arguments of the greatest weight extend very far. All the members of whole classes are connected together by a chain of affinities, and all can he classed on the same principle, in groups...

...widely different forms, over the old belief in the creation of species from the dust of the earth. It may be asked how far I extend the doctrine of the...answer, because the more distinct the forms are which we consider, by so much the arguments in favour of community of descent become fewer in number and Ires...

...wid-!.different forms, over the old belief in the creation of species frtc. the dust of the earth. It may be asked how far I extend the doctrine of the modificati'" of species. The question is difficult to answer, because the n».^ distinct the forms...

...consider, by so much the arguments in favour of community of descent become fewer in number and less iu force. But some arguments of the greatest weight extend very far. All the members of whole classes are connected together by a chain of affinities, and all can be classed on the same principle, in groups...

...conditions, and by variations which seem to us in our ignorance to arise spontaneously." p. 421. " It may be asked, How far I extend the doctrine of the modifications of species?" (p. 424) "I cannot doubt that the theory of descent with modifications embraces...

...widely different forms, over the old belief in the creation of species from the dust of the earth. It may be asked how far I extend the doctrine of the...answer, because the more distinct the forms are which we consider, by so much the arguments in favour of community of descent become fewer in number and less...

...different forms, over the old belief in the creation of species from the dust of the earth. It mny be asked how far I extend the doctrine of the modification...answer, because the more distinct the forms are which we consider, by so much the arguments in favour of community of descent become fewer in number and less...