a04 SUPPLEMENT TO DESCRIPTIONS OF SPECIES. 
the Lancaster and Harrisburg Railroad, calamitc, galenite, blende ; 
pyrite in cubic crystals is found in great abundance near the city of 
Laneasier ; at the Lancaster zinc mines, ca/amine, blende, tennantite? 
smithsonite (pseud. of dolomite), aurichalcite. 
LEBANON CO.—CoRNWALL. — Magnetite, pyrite (cobaltiferous), 
chalcopyrite, native copper, azurite, malachite, chrysocolla, cuprite (hy- 
drocu pre, allophane, brochantite, serpentine, quartz pseudomorphs ; 
gatente (with octahedral cleavage), fluorite, covellite, hematite (ica- 
ceous', opal, asbestus. 
LEHIGH CO.—FrrepunsvittE.—At the zinc mines, calamine, 
smithsonite, hydrozincite, massive blende, greenockite, quartz, allo- 
phane, zinciferous clay, mountain leather, aragonite, sauconite ; near 
Allentown, magnetite, pipe-iron ore ; near Bethlehem, on 8. Mountain, 
allanite, with zircon and altered sphene in a single isolated mass of 
syenite, magnetite, martite, black spinel, tourmaline, chalcoeite. 
MIFFLIN CO.—Strontianite. 
MONROE CO.—In CHERRY VALLEY.—Calcitz, chalcedony, quartz ; 
in Poconac Valley, near Judge Mervine’s, eryst. quartz. 
MONTGOMERY CO.—CoNSHOHOCKEN.—Fibrous tourmaline, me- 
naccanite, aventurine quartz, phyllite ; in the quarry of Geo. Bullock, 
caleite in hexagonal prisms, aragonite. 
LOWER PROVIDENCE.—At the Perkiomen lead and copper mines, 
near the village of Shannonville, azurite, blende, galenite, pyromor- 
phite, cerussite, wulfenite, anglesite, barite, calamine, chalcopyrite, 
malachite, chrysocolla, brown spar, cuprite, covellite (rare), melaco- 
nite. libethenite, pseudomalachite. 
Ware Marsu.—At D. O. Hitner’s iron mine, five and a half miles 
from Spring Mills, limonite in geodes and stalactites, gothite, pyro- 
lusite, wad, lepidocrocite ; at Edge Hill Street, North Pennsylvania 
R ailzoad, titanic iron, praunite, pyrolusite ; one mile 8. W. of Hitner’s 
iron mine, limoivrite, velvety, stalaciitic, and fibrous, fibres three inches 
long, turgite, githite, pyrolusite, velvet manganese, wad; near Marble 
Hall, at Hitner’s marole quarry, write marble, granular barite, resem- 
bling marble; at Spring Mills, limonite, pyrolusite, géthite; at Flat 
Rock Tunnel, opposite Manayunk, stillite, heulandite, chabasite, ilvaite, 
beryl, feldspar, mica. 
LAFAYETTE, at the Soapstone quarries.—Tale, jefferisite, garnet, 
albite, serpentine, zoisite, staurolite, chalcopyrite ; at Rose’s Serpen- 
tine quarry, opposite Lafayette, enstatite, serpentine. 
NORTHAMPTON CO.—Busnxit. TowNsHIP. —Crystal Spring on 
Blue Mountain, quartz crystals. 
Near Easton. —Zircon / (exhausted), nephrite, coccolite, tremolite, 
pyroxene, sahlite, limonite, magnetite, purple calcite. 
Wituiams Townsute. — Pyrolusite in SECIS in limonite beds, 
géthite (lepidocrocite) at Glendon. 
NORTHUMBERLAND CO.— Opposite SELIN’s GROVE. — Cala- 
mine. 
PHILADELPHIA CO,—FRANKFORD.—Titanite in gneiss, apophyl- 
lite ; on the Philadelphia, Trenton and Connecting Railroad, basanite; 
at the quarries on Frankford Creek, stilbite, molybdenite, hornblende; 
on the Connecting Railroad, wad, earthy cobalt; at Chestnut Hiil, 
magnetite, green mica, chalcopyrite, fluorite. 
FAIRMOUNT WATER-WoRKS.—in the quarries opposite Fairmount, 

