182 BOARD OF AGRICULTURE. 



division of fields, transition from one course of cropping to 

 another, <fec. 



15. Taxation of farm property. 



16. Farm book-keeping. 



17. Agricultural technology. This course embraces a year's 

 instruction upon the manufacture of beet sugar, beer brewing 

 and the distillery of brandy in the winter term, and the manu- 

 facture of vinegar, starch, the grinding of meal, tile and brick 

 making, and wine and cider making in the summer term, with 

 the innumerable details connected with each. 



The auxiliary branches include — 



(1st.) Arithmetic and algebra. 



('2d.) Theoretical geometry. 



(3d,) Trigonometry. 



(4th.) Practical geometry, which includes surveying, land 

 measuring and levelling. 



(5th.) Estimation of the value of forest lands, beginning 

 with the cubic contents of timber, the growth of single trees, 

 whole forests, &c. 



(6th.) Mechanics and physics. 



(7th.) Chemistry, in the winter term, general, in the sum- 

 mer, agricultural chemistry, with practice and experiments in 

 the laboratory. The lectures on agricultural chemistry treat, 

 among other things, upon the composition of feeding sub- 

 stances, the theory of feeding, &c. 



(8th.) Introduction to geology, the object being to give the 

 student a full knowledge of all those minerals alluded to in the 

 lectures on special geognosy, and which are of more or less 

 importance as elements in the soil, and in organic bodies. 



(9th.) Geognosy, science of minerals, composition, adhesion, 

 hardness of rocks, their contents of water, air, warmth, &c. 

 Structure of masses of rocks, groups, systems, &c. 



(10th.) Introduction to botany and special economic botany, 

 in connection with which weekly excursions are made tluring 

 the summer, in the neighborhood of Hohenheim, in addition to 

 which are demonstrations in the botanic garden and the collec- 

 tions. 



(11th, ) Physiology, anatomy and pathology of plants — their 

 anatomical composition ; elementary organs — the different forms 

 of cells ; the compound organs, the structure of the root, the 



