190 CONGRESSIONAL PROCEEDINGS. 



theoretical and practical. The theoretical instruction has 

 to extend not only to the principal and secondary depart- 

 ments, but also to all the auxiliary sciences which influence 

 agriculture, directly or indirectly, viz : 



PRINCIPAL DEPARTMENT. 



I. Agronomy, the science which treats of the different 

 primitive earths, and other substances of which the soil is 

 composed, viz: silex, alumen, lime, magnesia, iron, vegeta- 

 ble matter, &c. 



The naming of the soils, from the mixture of the primi- 

 tive earths, and their value, as resulting from this mixture. 



II. Agriculture, the science teaching the cultivation of the 

 respective soils, in such manner as to produce the most 

 perfect crops. This is divided into two parts : 



1. Chemical agriculture, treating of — 



a Manures in general ; b Vegetable manures ; c Mineral manures. 



2. 3Iechanical agriculture, treating of — 



a Agricultural implements. e Draining. 



b Modes of ploughing. / Irrigation. 



c The cultivation of new land. g Culture of meadows. 



d Fencing. h Culture of pasture lands. 



ni. Vegetable productions, teaching the culture of — 



a Cereal grasses. rial plants, oleaginous plants, 



b Leguminous field plants. hops, tobacco, medicinal 



c Plants cultivated for their roots. plants, &c. 



d Herbage plants. g The vine. 



e Grasses. h The mulberry. 



/ Plants used in arts and manu- i Fruit trees, 

 factures : such as flax, tincto- 



IV. Animals used or reared by the agriculturist — 



a Horses. knowledge of the different 



b Mules. kinds of wool. 



c Cattle — e Breeding and rearing swine. 



1. Dairy. / Fowls. 



2. Fattening. g Silkworms. 

 d Sheep, and particularly the A Bees. 



V. Economy, or the manner of arranging and conducting 

 a farm, treating of — 



a Labor in general. nature and quantity of ma- 



h Labor with horses and oxen. nure required for a certain 



c Labor performed by men. system of rotation of crops. 



d Conducting a farm. g Change of system. 



e Book-keeping. h The different systems of rotations. 

 / The arrangement of a farm ; the 



SECONDARY COMPARTMENT. 



1. Veterinary. 



2. Technological agriculture, such as the making of sugar 



from beets, making cider, burning lime, &c. 



3. Culture of forest trees. 



