...which has regulated the Introduction of new Species," Mr. Wallace shows by various lines of argument that " every species has come into existence coincident...space with a pre-existing closely allied species." In 1858 Mr. Wallace sent from Ternate another paper, " On the tendency of Varieties to depart indefinitely...

...indeed be expressed so as not to assert that the connection is genetic, as in Mr. Wallace's formula : " Every species has come into existence coincident both in time and space with preexisting closely allied species." Edward Forbes, who may be called the originator of this whole...

...indeed be expressed so as not to assert that the connection is genetic, as in Mr. Wallace's formula : " Every species has come into existence coincident both in time and space with preexisting closely allied species." Edward Forbes, who may be called the originator of this whole...

...whole organic world would bo seen to be an unbroken and harmonious system. Conclusion It has now been shown, though most briefly and imperfectly, how the law that " Every species has come into existent* coincident h>th in time and space with a pre-existing closely allied sjtecif^," connects...

...published an essay arguing for the evolutionary conception of organic history, the main thesis being this: "Every species has come into existence coincident...space with a pre-existing closely allied species." Thus the evolutionist has been under deep obligation to the taxonomer from the beginning. The obligation...

...Introduction of New Species" (Ann. and Mac. Nat. Hist., 1855, p. 184). He states the law as follows: " Every species has come into existence coincident both...space with a pre-existing closely allied species." He justly claims that such a law connected and explained a vast number of independent facts. It was,...

...Introduction of New Species " (Ann. and Mag. Nat. Hist., 1855, p. 184). He states the law as follows: " Every species has come into existence coincident both...space with a pre-existing closely allied species." He justly claims that such a law connected and explained a vast number of independent facts. It was,...

...article, in which we can see a great generalisation struggling to be born, ends thus: " It has now been shown, though most briefly and imperfectly, how the...species has come into existence coincident both in time ahd space with a pre-existing closely allied species,' connects together and renders intelligible a...

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

...Introduction of New Species." — Ann. and Mag. of Nat. Hist., 1855. The law is thus stated by Wallace: "Every species has come into existence co-incident both in time and space with a pre-existing closely-allied species," Archipelago; I wish I might profit by the publication of your Travels there...