And of the species now living very few will transmit progeny of any kind to a far distant futurity; for the manner in which all organic beings are grouped, shows that the greater number of species in each genus, and all the species in many genera, have le
And of the species now living very few will transmit progeny of any kind to a far distant futurity; for the manner in which all organic beings are grouped, shows that the greater number of species in each genus, and all the species in many genera, have le
在现存的各种中，能在辽远未来还有后代的将是非常之少，因为所有有机生物归类的情况表明每类中多数的种和许多类中的全部的种都未留下后代而完全灭绝了。