492 
mentation: M. Boussingault, director of labratory researches; M. 
Leonce de Lavergne and M. Ed. Leconteux, professors of rural economy; 
M. Edmund Becquerel, of physics and meteorology; M. Delesse, of geol- 
ogy; M. Carnot, of minerology ; M. Schloesing, of agricultural chemistry ; 
M. Peligot, of analytical chemistry ; M. Aimé Girard, of agricultural 
technology; M. Ed. Prilleux, of botany; M. Emile Blanchard, of zool- 
ogy; M. Tresca, of mechanics; M. Hervé Mangon, of rural engineer- 
ing; M. Moll, of general agriculture; M. E. Risler, of comparative agri- 
culture; M. Tassey, of sylviculture ; M. du Breuil, of horticulture, arbor- 
iculture, and viticulture; M. Victor Lefranc, of legislation and agricult- 
ural jurisprudence. . 
*%These men are among the foremost scientific agriculturists of France. 
M. Lavergne is a senator, quite a number are members of the Institute 
of France; the others are nearly all professors of scientific institutions, 
of whom several were members of the faculty of the old Agronomic In- 
stitute when under the presidency of Count Gasparin. 
’ FRENCH INTERNATIONAL EXPOSITION.—The exposition will be opened 
May 1, 1878, and continue till October 1 following, at Champ de Mars 
and Trocadero. The objects exposed will be arranged in nine groups, viz: 
J. Works of art; Il. Education and instruction, including the processes 
and materials of the liberal arts; LI. Household furniture, &e.; LV. 
Cloths, clothing, &c.; V. Extractive industries, crude products; VI. 
Tools and processes of mechanical industries; VII. Alimentary prod- 
ucts; VIII. Agriculture and pisciculture; IX. Horticulture. The 
above groups will be subdivided into ninety classes, of which only the 
following pertain to agriculture and horticulture : 
++ Group V.—Class 44: Products of forestry exploitations and industries, 
viz: Specimens of peculiar forest trees ; timber for construction, work- 
ing, and fuel; lumber for ship-building and for construction of build- 
ings on land; cork; textile-barks; tanning, coloring, odoriferous and 
resinous materials; dried wood and charcoal; crude potash ; cooper- 
age, basket-work ; wooden shoes; esparto-grass fabrics, &c. 
Class 46.—Agricultural products not alimentary, viz: Textile matters, 
raw cottons; flax and hemp, either dressed or undressed ; textile fab- 
ries of all sorts; wool, washed and unwashed; silk-cocoons ; agricult- 
ural products employed in industry, pharmacy, and domestic economy ; 
oleaginous plants, oils, waxes, and resins; tobacco, in leaf and manu- 
factured ; tanning and coloring matters; touchwood ; forage-plants pre- 
served, and other matter specially prepared for the feeding of farm ani- 
mals. 
Group VI.—Cass 51: Materials and processes of rural and forest ex- 
ploitations, viz: Plans of culture, rotation of crops and agricultural 
management; materials and operations of agricultural engineering ; 
drainage; irrigation; plans and models of farm buildings; tools, ma- 
chines, and engines for working the soil, for sowing, planting, harvest- 
ing, and storing crops; machinery moved by animal or steam-power ; ma- 
terials for farm transportation; locomotive machinery and methods; or- 
ganic and mineral fertilizers ; apparatus for the physical and chemical 
study of soils; methods of re-aiforesting denuded areas; management and 
culture of forests; materials of forest exploitations and industries ; ma- 
terials, instruments, and machines for manufacturing tobacco. 
Class 52: Materials and processes of agricultural manufactories and 
of alimentary industries, viz: Factories of artificial fertilizers and tile- 
drains ; dairies, cheese and butter factories ; fecula, starch, and oil fac- 
tories; breweries and distilleries; sugar factories and refineries; ate- 
