. The American journal of science and arts . Archimedes, of Lesueur. In the same rock which contains this fossil, or in the beds im-mediately beneath it, which often exhibit an oolitic structure, the * I am not sure that Lesueur ever published his description of this fossil; but Iknow that while he resided here (at New Harmony) he engraved a plate contain-ing several views of it, with that intention. He considered it, 1 believe, a newgenus ; but it may be only a new species of Retepora; if so, most aptly entitledRetepora Archimedes.

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Keywords: ., bo, bookcentury1800, bookpublishernewhavensconverse, bookyear1820