...preceding parent might in some measure have acquired by his habits of life or accidental situation. But it may appear too bold in the present state of our...derived from the smallest microscopic ones, formed by spontaneous vitality ? and that they have by innumerable reproductions, during innumerable centuries...

...But it may appear too (¡old, in the present state of our knowledge on this subject, [reproduction] to suppose that all vegetables and animals now existing...derived from the smallest microscopic ones formed by spontaneous vitality ; and that they have by innumerable reproductions during innumerable ecnturiesof...

...tendency of this system, which leads to a conclit$5on, of which the Doctor himself seems afraid. He says " it " may appear too bold in the present state of our...existing, were originally derived from the smallest microf scopic ones, formed by spontaneous vitality ; and that " they have by innumerable reproductions,...

...might in some measure have acquired by his habits of life or accidental situation. But it may nppear too bold in the present state of our knowledge on...animals now existing were originally derived from (he smallest microscopic ones, formed by spontaneous vitality? and that they have by innumerable reproductions,...

...improved use of the sense of touch, that monkeys acquired clear ideas, and gradually became men." " It may appear too bold, in the present state of our...originally derived from the smallest microscopic ones, forme I by spontaneous vitality, and that they have, by inuumerable reproductions during inuumerable...

...was published in 1803, after his death, presents a note which contains the following sentence-: "Rut it may appear too bold, in the present state of our knowledge of this subject, to suppose that all vegetables and animals now existing were originally derived from...