. Insect architecture. Insects. 336 INSECT ARCHITECTURE. nal spinnerets, which may be seen by the naked eye in the larger spiders, in the form of five little teats surrounded by a circle, as represented in the figure Garden Spider (Epeira diadema) suspended bij a thread pro- ceeding from its spinneret. We have seen that the silken thread of a cater- pillar is composed of two united within the tube of the spinneret, but the spider's thread would appear, from the first view of its five spinnerets to be quin- tuple, and in some species which have six teats, so many times more. It is not s


. Insect architecture. Insects. 336 INSECT ARCHITECTURE. nal spinnerets, which may be seen by the naked eye in the larger spiders, in the form of five little teats surrounded by a circle, as represented in the figure Garden Spider (Epeira diadema) suspended bij a thread pro- ceeding from its spinneret. We have seen that the silken thread of a cater- pillar is composed of two united within the tube of the spinneret, but the spider's thread would appear, from the first view of its five spinnerets to be quin- tuple, and in some species which have six teats, so many times more. It is not safe, however, in out- interpretations of nature to proceed upon conjecture, however plausible, nor to take anything for granted which we have not actually seen; since our inferences in such cases are almost certain to be 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 Rennie, James, 1787-1867. London, M. A. Nattali


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Keywords: ., bookcentury1800, bookdecade1840, booksubjectinsects, bookyear1846