. A manual of zoology. Zoology. IV. ECHINOIDEA 305 the anus (fig. 304). Usually the first portion of the canal is accompanied by a siplion, an accessory tube opening into the main tulje at either end. Except in the Spatangoids the mouth is surrounded by five sharp-pointed ed nd d. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929, ed. and tr. New York, H.
. A manual of zoology. Zoology. IV. ECHINOIDEA 305 the anus (fig. 304). Usually the first portion of the canal is accompanied by a siplion, an accessory tube opening into the main tulje at either end. Except in the Spatangoids the mouth is surrounded by five sharp-pointed ed nd d. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929, ed. and tr. New York, H. Holt
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1912
