Colony 1
Small cocci occurring
singly or in small groups.
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Colony 2
Cocci in small chains
or clusters.
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Colony 3
Large cocci, forming
tetrads.
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Colony 4
Large cocci, forming
tetrads.
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Colony 5
Cocci occurring singly
or in small clusters.
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Colony 6
Large cocci with
three-dimensional planes of cell division, giving regular
'packets' of cells, typical of Staphylococcus.
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Colony 7
Large cocci, forming
tetrads.
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Colony 8
Long, thin rods
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Colony 9
Large pleomorphic
(variably shaped) rods
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Colony 10
Short rods
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Colony 11
Large cocci with
three-dimensional planes of cell division, giving
'packets' of cells, typical of Staphylococcus.
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Colony 12
Mixed population of
bacteria enveloped in slime (which accounts for the poor
phase-contrast), including Streptococcus (chains
of cocci) and two phase-bright spores.
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