PSEUDOMOEPHS. 
121 
537. Blue Lead Ore. 
Hiielgoet, Brittany, 
538. Brown Iron Ore, in pen¬ 
tagonal dodecaliedrons, pseudo- 
niorplious after Iron Pyrites. 
Hennock, near Chudleigh, Devon- 
shh'e. 
Presented by C. D. Archbold. 
539. Iron Pyrites, decomposed 
on the surface into Brown Iron 
Ore. 
Swindon, Wiltshire. 
Presented by J. Matthewniau. 
540. Iron Pyrites, decomposed. 
Boy ton, Wiltshire. 
541. Iron Pyrites, decomposed. 
Warminster, Wiltshire. 
542. Iron Pyrites, decomposed. 
South Street, near Lewes, Sussex. 
543. Iron Pyrites, decomposed. 
Reigate, Surrey. 
Nos. 540 to 543 presented by the late 
G. B. Greenongh, F.lt.S. 
544. Eed Iron Ore, pseudomor- 
plious after scalenoliedral crystals 
of Calc Spar. 
Parkside Mines, Cumherland. 
Presented by the Parkside Mining 
Company. 
545. Eed Iron Ore, pseudomor- 
plious after large scalenoliedral 
crystal of Calc Spar. 
Siegen, Prussia. 
Presented by the Zollverein Commis¬ 
sioners, 1862. 
546. Calamine, or Carbonate of 
Zinc,pseudomorphous after Calcite. 
Iserlohn, Prussia. 
Presented by the Zollverein Commis¬ 
sioners, 1862. 
546a. Manganite, pseiidomor- 
pilous after Calcite. 
Ihlefeld, Hartz. 
547. Pseiidomorplious crystals 
of Copper Pyrites, on crystallized 
Carbonate of Iron. 
St. Just, Cornwall. 
Presented by G. C. Fox. 
548. Chalcedony, pseudomor- 
plious after Calcareous Spar and 
Pearl Spar. 
North Roskear, Cornwall. 
549. Chalcedony, in pseiidomor- 
phous rhomboliedrons, on Quartz. 
Levant Mine, St. Just, Cornwall. 
Shelf VI. 
550. Carbonate of Lead. 
Jamaica Mine, Mold, Flintshire. 
Presented by W. B. Dyer. 
551 and 551a. Phosphate of 
Lead. 
Bonsai, Derbyshire. 
552. Gossan, with Phosphate 
of Lead. 
Winster, Derbyshire. 
553. Chromate of Lead, with 
Brown Iron Ore. 
Mines of Beresow, Uralian Moun¬ 
tains, Russia. 
Presented by the Imperial Mining In¬ 
stitute of Russia. 
554. Blue and green Carbo¬ 
nates OF Copper, usually charac¬ 
teristic of shallow depths. 
Shelf VIE 
555. Gossan Ore, coiitainins: 
Galena, Carbonate of Lead, Quartz, 
and Hydrous Oxide of Iron. 
From above the adit level, Eagle- 
brook Mine, Cardiganshire. 
August 1855. 
Presented by W. Spooner. 
556. Gossan, with crystallized 
Carbonate of Lead. 
Logylas Mine, Yspytty Ystwyth 
A b erystw ith, Ca rdiga n shire. 
Presented by the late John Taylor, 
F.R.S. 
557. Bournonite (an Anti- 
monio-sulphide of Lead and Cop¬ 
per), and Copper Pyrites, with 
crystallized Calc Spar and Quartz. 
Liskeard, E. Cornwall. 
Wall-case 36. 
Shelf 1. 
558 & 559. “Gossan,” a ferru¬ 
ginous substance occurring at the 
top of Lodes, from which miners 
judge of the probable occurrence 
of ore beneath. 
Fowey Consols Mine, St. Blazey, 
Cornwall. 
Presented by the late Sir H. T. De la 
Beche. 
560 & 561. Copper Gossan. 
Hingsion Down Consols, Cornwall 
