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Crude drug.
ostreae testa
oyster shell
crassostreae testa
pacific oyster shell
powdered oyster shell
crude drug
ostreae testa
oyster shell
crassostreae testa
pacific oyster shell
powdered oyster shell
1
Old Jane dead; new, confident, vibrant Jane rising from the
oyster
shell
.
2
Give
oyster
shell
separately and supply fowls with good sharp grit.
3
It offers a range of pearls including cultured, freshwater,
oyster
shell
and simulated varieties.
4
If an
oyster
shell
is exposed to direct sunlight it begins to turn black.
5
She shoveled in crushed
oyster
shell
and clean shavings.
1
Oyster -shell powder and subcarbonate of potash, or soda, are usually employed for that purpose.