Marvels of pond-life : or, A year's microscopic recreations among the polyps, infusoria, rotifers, water-bears, and polyzoa (1861)
Slack, Henry James, 1818-1896 · London : Groombridge · leaf 190
),is inadvertently spoken of as a Pohjsoa, with wliicliit should have been contrasted. … These animals were formerly associated with thepolyps, to which they bear a strong superficial re-semblance; but they are of a much higher degreeof organization, as will be seen by comparing whathas been said in a former chapter on the Hydra^with the description which we now proceed toabridge from…
Microscopy · Freshwater animals
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