Heredity of the Intellect. 75 



CUVIER, Georges, naturalist ; 



His mother, an accomplished woman, took great pains with his 



education ; 



His brother, Frederic, naturalist. Researches on Instinct. 

 D'ALEMBERT, was a natural son of Destouches, inspector of 



artillery, and of Mdlle. de Tencin ; 



His mother was noted for her wit, and belonged to a family 

 that counted among its members the Cardinal de Tencin, 

 Pont de Veyle, a dramatic author, and d'Argental, the corres- 

 pondent of Voltaire. 

 DARWIN, Erasmus, author of Zoonomia ; 



His two sons, Charles and Robert, physicians of note, of whom 



Charles died very young ; 

 His grandson, Charles, the celebrated author of the Origin of 



Species ; 



In this family we mention only those most worthy of note. 

 DAVY, Humphrey, chemist, and his brother John, physiologist 

 DE CANDOLLE, Augustin-Pyrame, and his son t Alphonse, both 



celebrated botanists. 

 EULER, Leonhard. His fattier was a mathematician ; 



His three sons, Johann, Carl, and Christoph, astronomers, 



physicists, and mathematicians. 

 FRANKLIN, Benjamin. 

 Two great-grandsons, authors of works on the natural sciences, 



on chemistry and on medicine. 

 GALILEO-GALILEI ; 



His father, Vicenzo, wrote a theory of music ; 



His son, Vicenzo, was the first to apply to timepieces his father's 



discoveries as to the pendulum. 

 GEOFFROY SAINT-HILAIRE, 6tienne ; 



His brother, an officer highly esteemed by Napoleon, died of 



fatigue after the battle of Austerlitz ; 

 His son, Isidore, a naturalist. 



GMELIN, Johan Friedrich. The father, two uncles, a cousin, and a 

 son of this famous German chemist, were known by their works 

 on botany, medicine, and chemistry. 



GREGORY, James. The most distinguished of a family of mathe- 

 maticians and physicists, which reckons no less than fifteen 



