...connection with a proposition of Mr. Alfred Wallace (referred to in the same Address, page cxiii.) ' That every species has come into existence coincident...time, with a pre-existing closely allied species.' Although Mr. Hamilton, the President, remarks that he thinks 'It may be doubted whether this assumed...

...species has come into existence twice. 10. The following law may he deduced from these facts : — Every species has come into existence coincident both...and time with a pre-existing closely allied species. This law agrees with, explains and illustrates all the facts connected with the following branches...

...for species) from that lately advanced in an ingenious paper by Mr. Wallace, in which he concludes, that " every species has come into existence coincident...and time with a pre-existing closely allied species. And I now know from correspondence, that this coincidence he attributes to generation with modification....

...for species) from that lately advanced in an ingenious paper by Mr. Wallace, in which he concludes, that " every species has come into existence coincident...and time with a pre-existing closely allied species. And I now know from correspondence, that this coincidence he attributes to generation with modification....

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...species has come into existence twice. 10. The following law may be deduced from these facts : — Every species has come into existence coincident both...and time with a pre-existing closely allied species. This law agrees with, explains and illustrates all the facts connected with the following branches...

...species has come into existence twice. 10. The following law may be deduced from these facts : — Every species has come into existence coincident both...space and time with a pre-existing closely allied This law agrees with, explains and illustrates all the facts connected with the following branches...

...law which, according to Wallace, has regulated the introduction of new species, is as follows : — " Every species has come into existence coincident both...time with a pre-existing closely allied species." In this primitive and indeterminate form, it is difficult as yet to recognise the clear apprehension...

...into existence twice. 10. The following law may be deduced from these facts :—Every species lias come into existence coincident both in space and time with a pre-existing closely allied species. This law agrees with, explains and illustrates all the facts connected with the following branches...

...reappear, and, as Mr. Wallace observes, " no group or species has come into existence twice," but " every species has come into existence coincident, both in space and time, with a preexisting, closely-allied species." That tlie great advancing movement of life has been a divergence, an opening...