 20494A Cotton aphid (Aphis gossypii)
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 23523A Cottonwood tree seed fibers
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 23523B Cottonwood tree seed fibers
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 23523C Cottonwood tree seed fibers
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 23523D Cottonwood tree seed fibers
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 26000A Dust mites (Dermatophagoides spp.) on cotton fabric
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 26000B Dust mites (Dermatophagoides spp.) on cotton fabric
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 26000C Dust mites (Dermatophagoides spp.) on cotton fabric
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 26991A Dust mites on wool fabric (Dermatophagoides spp.)
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 26991B2 Dust mites on wool fabric (Dermatophagoides spp.)
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 26991C Dust mites on wool fabric (Dermatophagoides spp.)
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 26991D Dust mites on wool fabric (Dermatophagoides spp.)
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