. Diatomaceæ of North America [microform] : illustrated with twenty-three hundred figures from the author's drawings on one hundred and twelve plates. Diatoms; Algae; Diatomées; Algues. I'late XIA' : f ] it tf \ \ i: 'â ^ ! ! P K^ I' 1. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wolle, Francis, 1817-1893. Bethlehem, Pa. : Comenius Press

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectdiatoms, bookyear1890