This is a print on demand publication. Contents: Introduction, (I) The inheritance of acquired characters: From the beginning to the 16th century, 16th century records, 17th century records, 18th century records, Some 19th century records to the time of Charles Darwin, (II) Pangenesis: Records from the beginning to the 13th century, 13th century records, 14th and 15th century records, 16th century records, 17th century records, 18th century records, and 19th century records to the time of Charles Darwin, Conclusion, References, and Index.