. Bulletin - New York State Museum. Science. 510 NEW YORK STATE MUSEUM hover over the Httle stagnant pools. Nynaphs were first found in small holes in the almost dry marsh land, too small to allow the use of a net and containing but a few inches of water. A larger number was obtained later from debris deposited in the marsh during high water and still sub- merged a few inches. Removed from the water the nymph clings closely to the debris of exactly its own color, and does not stir even after letting this dry; so it is very hard to see and a difficult subject for Fig. 29 N anno the
. Bulletin - New York State Museum. Science. 510 NEW YORK STATE MUSEUM hover over the Httle stagnant pools. Nynaphs were first found in small holes in the almost dry marsh land, too small to allow the use of a net and containing but a few inches of water. A larger number was obtained later from debris deposited in the marsh during high water and still sub- merged a few inches. Removed from the water the nymph clings closely to the debris of exactly its own color, and does not stir even after letting this dry; so it is very hard to see and a difficult subject for Fig. 29 N anno them is bella Uhl. Nymph, labial lobe of nymph, and eggs The females oviposit in the shallow places where the nymphs live, in temporary water of one to two inches depth, and very warm. The female dips the tip of her abdomen to the surface after the manner of all Libellulines, but only about three or four times; then rests; then repeats. The eggs are creamy white turning dark in a short time, and with scanty gelatinous envelop. (From the account by Mr Weith). 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 New York State Museum; New York State Museum. Albany : New York State Education Dept
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887