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admitted advance ages amongst animals appear arrangement become believe birds body called cause character cloth common comparatively connected considerable considered constitution course creation DISEASES distinct early earth Edition effect evidence example existence experience extensive external fact feet fishes formation fossils genera give higher highest human hypothesis idea Illustrations insects instances Journal kind known land language less living lower manner matter means Medical mind naturalists nature necessary never observed operation organic origin particular pass period phenomena plants portion possessed Post PRACTICAL present principle produced Professor progress question reason regard regions relation remains remarkable reptiles respect result rocks says Second seems seen Silurian species strata structure succession supposed surface things tion trace true variety various vegetable whole
Page lx - Thus, the production of new forms, as shewn in the pages of the geological record, has never been anything more than a new stage of progress in gestation, an event as simply natural, and attended as little by any circumstances of a wonderful or startling kind, as the silent advance of an ordinary mother from one week to another of her pregnancy.
Page 330 - A law presupposes an agent, for it is only the mode according to which an agent proceeds: it implies a power, for it is the order according to which that power acts. Without this agent, without this power, which are both distinct from itself, the law does nothing, is nothing. The expression, "the law of metallic nature...