Medusae of the world . y placed tentacles alternating with4 interradial sensory-clubs. The whole surface was ciliated and there were but 2 lips, thesebeing 1800 apart. The second pair of lips do not develop until after the larva has 16 then develop, forming a cross with the first pair. (See text-figure 213.) It is interesting to see that MetschnikofF finds that the young medusa of Aglaura hemi-stoma has also but 2 lips 1800 apart. A larval Cunina is often found attached to-the subumbrella of R. velatum at Naples, Italy. Rhopalonema polydactylum Haeckel. Rhopalonema polydactylum,
Medusae of the world . y placed tentacles alternating with4 interradial sensory-clubs. The whole surface was ciliated and there were but 2 lips, thesebeing 1800 apart. The second pair of lips do not develop until after the larva has 16 then develop, forming a cross with the first pair. (See text-figure 213.) It is interesting to see that MetschnikofF finds that the young medusa of Aglaura hemi-stoma has also but 2 lips 1800 apart. A larval Cunina is often found attached to-the subumbrella of R. velatum at Naples, Italy. Rhopalonema polydactylum Haeckel. Rhopalonema polydactylum, Haf-CKel, 1879, Syst. der Medusen, p. 265, taf. 17, fign. elongatum, Maas, 1893, Ergeb. der Plankton Exped., Bd. 2, , p. 20. Bell pyriform to conical, with a narrow, rounded apex. It is 10 mm. wide, 8 mm. tentacles of unequal length. The 16 larger, radial and interradial tentacles are as long as thebell-radius; their outer ends are club-like and their epithelium is covered with cilia. The 16.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcnidari, bookyear1910
