. A contribution to the physiology of the fresh-water sponges (Spongillidae). Sponges. ei. .F Van Trigt 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 Trigt, Herman van. Leiden, Brill

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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherleide, bookyear1919