. Die Kalkschwämme. Eine Monographie ... Sponges. '.JJ. ^- ,«t<«i^.. ^^0'^*^. ^m^ rr à \^ ^ ^\^\^^v^^^â ^,^;:.w^v^v^^^\\^^^v\^tfw^^^^\^^ ,rtW^N\'.jV'.\^->'''â â¢-.'- V-'^. \\\v ;^itl del. Jlt r-urutnc i'f/'. Serirn. 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 Haeckel, Ernst Heinrich Philipp August, 1834-1919. Berlin, G. Reimer

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectsponges, bookyear1872