348
‘
THE SRAS
and! only six of thesesince 1891. After 1907, whichwas
the last of a
series of ve consecutive shenes,
'
was
a
blank period of seventeen years.
Many
attempts have been made to control the supply
'
.
articially but without success for the oysters live in too
.
deep water to be cultivated like the edible oysters in France.
Indeed the words of an early writer on the subject, named
James Steuart, appear only too true: _“. It is ‘bnly when,
in the innite wisdom of the Creator
of all things, the
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Fra. 64.—Diagram'showîng formation of a
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greatly en]a_r_géd.
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R, nucleus.
P, pearl forming.
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oyster brood _çlescen‘ds upon
banks sui—ted to nourish
and support it—that it comes within our_limited power to
watch its advancing age, :and- to sh up the respective
in succession as'they appr0ach theproper age;
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not letting them rest .on.th‘e banks until they die off; and
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the “pearl is lost ; and (carefully abstaining from disturbing
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those that are too young.
to contain it.’—’
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‘When a sherÿ is to be held. this…fact is advertised«i
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