. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . nd sea-weeds of the shore, where, during thewinter months, they develop into stro-bilse, which in turn free their saucer-like disks early in April. GENUS Cyanea C. arctica, the sun-jelly or sea-blubber. This is the largest jellyfishknown. Some individuals measureseven and a half feet across the diskand have tentacles more than onehundred feet long. Usually they arethree to five feet in diameter, withtentacles thirty to forty feet long. Thedisk is red, the margin white and scal
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . nd sea-weeds of the shore, where, during thewinter months, they develop into stro-bilse, which in turn free their saucer-like disks early in April. GENUS Cyanea C. arctica, the sun-jelly or sea-blubber. This is the largest jellyfishknown. Some individuals measureseven and a half feet across the diskand have tentacles more than onehundred feet long. Usually they arethree to five feet in diameter, withtentacles thirty to forty feet long. Thedisk is red, the margin white and scal-loped. The tentacles, of differentcolors, are covered with lasso- or sting-ing-cells, and are arranged in eightdistinct, thick clusters on the the mouth hang four long andvery broad, thin curtains, much foldedand ruffled, whose edges at times lookas if they were embroidered, becausegreat numbers of discharged eggs areattached to them. Four egg-sacs hangfrom the disk near the mauubrium, andeight sense-organs (tentaculocysts), inhardened coverings, lie in some of thedeep incisions of the margin. Cyanea. Cyanea arctica, greatly reduced in size. JELLYFISHES 139
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
