Editorial Comment. 377 
On a pedestal at the west side of the exhibit is a fine Large 
mass from the Blue .lay mine. 70 oz. silver. Helvetia district. 
In eases are shown the Pioneer (silver. Pioneer district), Ton- 
tact No. 2 (silver and lead. Globe district). In cases on the 
west side are specimens of different classes of ore and the 
middle products of their treatment. In the northwest ease is 
a complete collection of ores of the gold, silver and copper 
mines in the Tombstone district representing the Goodenough, 
Silver Cloud. Comet, Mammoth, Emerald, Rattling Hoy, Em- 
pire, Tough-nut, Sunset, Honelli. Sulphuret, etc. On the 
west wall (Pima county), Bonanza (Oro Blanco district ). El 
Capitan (Olive Camp district), Rebus (silver, Greaterville 
district); Grasshopper (gold, silver, copper and lead, Wash- 
ington Camp district), Lota (gold, silver, lead. Silver Hill 
district), Live Oak (silver, lead, Greaterville district), Lone 
.lack (Silver Mill district), Blue Bird (silver, copper and 
lead, Olive Cam]) district ), Hard Shell (Patagonia district), 
Silver Glance (silver-lead). New York (gold, silver, lead, Oro 
Blanco district), Allen (gold, silver, copper, Washington 
Camp district), Wott'enden (gold, silver, Tucson Mt.), Aus- 
terlitz and Foraker (gold, Oro Blanco), Mary (gold and sil- 
ver, Silver Hill district), Shentlebrand (gold and silver, Oro 
Blanco), Montana (gold and lead, Harshaw district), Cim- 
monas (gold, silver, copper, lead, Washoe district), Electra 
and Crown Jewel. Lime Cap. Peabody, Golden Kule, (silver, 
lead, Cochise district), Finale (ditto, Swisshulme district), 
Mohave county. 
Gold-silver ores from New Eldorado (Minn, district), G. A. 
K. (White Hills district ), Tuckahoe, Tintie and Prosperity, 
Silver Hill and Distaff, Pay Roll and Rainbow (Wallapin). 
Silver and silver-lead ores from Empire No. 2 (Mullassin), 
Elkheart, Silver Hill, Twins, Cupel, and Champion (Walla- 
pin). 
A fine mass of argentiferous galena is exhibited from the 
Prosperity, and an argentiferous manganese wad from the 200 
ft. level of the Rattlesnake Mining Co., Tombstone district. 
On the east side of the division, gold ore from the Venus 
(Oro Blanco) ; silver lead from the Wedge (Olive camp ). gold, 
silver, lead and eopper from the Washington and Annie. 
(Olive camp), Choctaw (silver, lead, Oro Blanco), Christmas 
