. The animal creation: a popular introduction to zoology. Zoology. Fig. G1.—cocoons of leech. which contains a cocoon. The eggs are hatched in about a week, but it is three weeks before the young leave their slimy cradle ; during the interval the cocoon has Ijecome considerably distended, and tlie little animals are continually pushing its walls with their heads as if trying to find a weak point and escape. When at last their increasing strength enables them to burst forth, they are about a quarter of an inch long, and no thicker than a Please note that these images are extracted from
. The animal creation: a popular introduction to zoology. Zoology. Fig. G1.—cocoons of leech. which contains a cocoon. The eggs are hatched in about a week, but it is three weeks before the young leave their slimy cradle ; during the interval the cocoon has Ijecome considerably distended, and tlie little animals are continually pushing its walls with their heads as if trying to find a weak point and escape. When at last their increasing strength enables them to burst forth, they are about a quarter of an inch long, and no thicker than a 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 Jones, Thomas Rymer, 1810-1880. London : Society for Promoting Knowledge
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Keywords: ., bookauthorjo, bookcentury1800, bookdecade1860, booksubjectzoology
