The spread of Lavoisier's doctrines was greatly facilitated by the defined and logical form in which he presented them in his Traite elementaire de chimie (presente dans un ordre nouveau et d'apres les decouvertes modernes) (1789).
In France, after Calvin's day, the Reformed church used besides Calvin's book the catechisms of Louis Capell (1619), and Charles Drelincourt (1642), and at the present time Bonnef on's Nouveau Catechisme elementaire (14th ed., 1900) seems most in favour.
Although pressed by the minister to prepare for them a complete course of mathematics, he declined to do so, on the ground that it would deprive Mme Bezout of her only income, from the sale of the works of her late husband; he wrote, however (1786), his Traite elementaire de la statique.
Among these are Le Diwdn de Ndbiqa Dhobyani; Le Livre de Sibawaihi (2 vols., Paris, 1881-1889); Chrestomathie elementaire de l'arabe litteral (in collaboration with Spiro, 1885; 2nd ed., 1892); Ousdma ibn Mounkidh, un emir syrien (1889); Ousdma ibn Mounkidh, preface du livre du bdton (with trans., 1887); Al-Fdkhri (1895); Oumdra du Gemen (1897), a catalogue of Arabic MSS.
It was reserved for Georges Cuvier, who in 1798 published at Paris his Tableau elementaire de l'histoire naturelle des ani-.
Other works of Cournot's were Traite elementaire de la theorie des fonctions et du calcul infinitesimal (1841); Exposition de la theorie des chances et des probabilLites (1843); De l'origine et des limites de la correspondance entre l'algebre et la geometrie (1847); Traite de l'enchainement des idees fondamentales dans les sciences et dans l'histoire (1861); and Revue somma.ire des doctrines economiques (1877).
One of the early supporters of this natural method was Augustin Pyramus de Candolle (1778-1841), who in 1813 published his Theorie elementaire de la botanique, in which he showed that the affinities of plants are to be sought by the comparative study of the form and development of organs (morphology), not of their functions (physiology).