Department I. is subdivided into classes numbered from 100 to 129, and embracing the products of mines and the means of extracting and reducing them. II. extends from Class 200 to Class 296--chemical manufactures, ceramics, furniture, woven goods of all kinds, jewelry, paper, stationery, weapons, medical appliances, hardware, vehicles and their accessories. III. deals with the high province of educational systems, methods and libraries; institutions and organizations; scientific and philosophical instruments and methods; engineering, architecture in its technical and non-æsthetic aspect, maps; physical, moral and social condition of man. Fifty classes, 300 to 349 inclusive, fence in this field of pure reason. Department IV., Classes 400-459, covers sculpture, painting, photography, engraving and lithography, industrial and architectural designs, ceramic decorations, mosaics, etc. V., Classes 509-599, takes charge of machines and tools for mining, chemistry, weaving, sewing, printing, working metal, wood and stone; motors; hydraulic and pneumatic apparatus; railway stock or "plant;" machinery for preparing agricultural products; "aërial, pneumatic and water transportation," and "machinery and apparatus especially adapted to the requirements of the exhibition." VI., Classes 600-699, assembles arboriculture and forest products, pomology, agricultural products, land and marine animals, pisciculture and its apparatus, "animal and vegetable products," textile substances, machines, implements and products of manufacture, agricultural engineering and administration, tillage and general management. Under Department VII., Classes 700-739, come ornamental trees, shrubs and flowers, hothouses and conservatories, garden tools and contrivances, garden designing, construction and management.