Editorial Comment. 55 
als and photographs. Case No. 17 has a column of building- 
stones. Case No. 18 contains a fine collection of silver ores 
from the Roncevellas. San Domingo, Penasquito, Todos San- 
tos and Cinco de Mayo veins by the Batopilas Mining ( !o., — 
large masses of ore from the Porfirio Diaz shaft of the Esper- 
anza workings 280 feet below the tunnel. Assay value $20,000 
per ton. Case No. 19 has building stones, onyx slab and 
stalactites. Case No. 20 has a collection of rock specimens 
from localities not named, — opals and the matrix in which 
they occur. Case No. 21 has a column of very handsome 
building and decorative "rose garnet" stone, and a thin slab 
showing the light of an incandescent lamp through it, from 
Xalostoc, Mexico. No. 22. Slabs of Mexican onj^x. No. 23. 
Slabs and veins of prettily veined onyx. No. 24. Case of 
ores, building stones and salt ofValisco. N6. 25. Silica quartz 
and building stones. No. 26. Minerals, ores and rocks from 
Zacatecas. No. 27. Minerals, ores and country rock from Za- 
catecas. No. 28. Minerals and ores from the Maravillas Co, 
in Pachuca, State of Hidalgo. Le Ley. Sta. Anna. Sta. < Gertrude, 
El Pebillon, El Carmen, Amistad of Concordia, and the Real 
del Monte Co. (Labels principally covered.) No. 29. Ores 
and minerals of Chihuahua and Durango. No. 30. M unlock 
& Compania, Mina del Cedral, Estaeia de Baroteran, Coa- 
huila, light } 7 ellow earth. No. 31. Sulphur ores and salt. Real 
del Monte. Pachuca; white clay ore, Puebla; white earth. 
No. 32. Puebla building stone, Michoacan. No. 33. Zacatecas 
ores and minerals. No. 34. Ores and minerals from Oaxaca, 
chiefly silver, lead and copper. No. 35. Heal del Monte ores 
and country rock, blue vitriol and manganese ores; upper <-;ise. 
Chihuahua rocks and minerals. No. 36. Rocks and chalco- 
pyrite, and various minerals — no classified labels. No. 37. 
Rocks, minerals and ores, imperfectly labeled. 
Italy. 
Sulphur, building stones, marble, and statues of the last; 
exhibit of Vanzetti. Sagramoso & < !o.,of iron and steel foundry ; 
forged ami foundried pieces, Milaim. but no ores: piles 
of copper, tin and antimony, ingots and ores. This display 
is, in its own line, the finest in the building. A large column 
of the products of the Kerosene Oil and Mineral Company. 
