Chapter X Pangenesis
A provisional hypothesis supplementing “Natural Selection.”—Statement of the hypothesis.—Difficulty as to multitude of gemmules.—As to certain modes of reproduction.—As to formations without the requisite gemmules.—Mr. Lewes and Professor Delpino.—Difficulty as to developmental force of gemmules.—As to their spontaneous fission.—Pangenesis and Vitalism.—Paradoxical reality.—Pangenesis scarcely superior to anterior hypotheses.—Buffon.—Owen.—Herbert Spencer.—Gemmules as mysterious as “physiological units.”—Conclusion... Page 208