Vietnam or Thailand? Vote for the TOP Country of the Week!
Want to type faster? Practice with a typing test or have fun with typing games!
Updated: October 14, 2026
Herbert Spencer's explanations. An internal power necessary, as shown by facts of comparative anatomy. Of teratology. M. St. Hilaire. Professor Burt Wilder. Foot-wings. Facts of pathology. Mr. Dr. William Budd. The existence of such an internal power of individual development diminishes the improbability of an analogous law of specific origination.