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[pl. Medusae (.] (Zoöl.)

Any medusa or jellyfish which is produced by budding from a hydroid. They are called also Craspedota, and naked-eyed medusæ.

Same as Hydrozoa.

Same as Acraspeda, or Discophora.

A division of acalephs in which the development is direct from the eggs, without a hydroid stage. Some of the species are parasitic on other medusæ.

A fixed star, in Medusa's head, in the constellation Perseus, remarkable for its periodic variation in brightness.

A large sea nettle or medusa.

A sexual zooid produced as a medusoid bud upon a hydroid, sometimes becoming a free hydromedusa, sometimes remaining attached. See Hydroidea, and Illusts. of Athecata, Campanularian, and Gonosome.

One of three fabled sisters, Stheno, Euryale, and Medusa, with snaky hair and of terrific aspect, the sight of whom turned the beholder to stone. The name is particularly given to Medusa.

itive zooids of a hydroid colony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea.

y one of the acalephs, esp. one of the larger species, having a jellylike appearance. See Medusa.

ant louse of the family Psyllidæ. -- Leaf frog (Zoöl.), any tree frog of the genus Phyllomedusa. -- Leaf green.(Bot.) See Chlorophyll. -- Leaf hopper (Zoöl.), any small jumping hemipterous insect of the genus Tettigonia, and allied genera. They live upon the leaves and twigs of plants. See Live hopper. -- Leaf inse…

The proboscis of a jellyfish; -- called also hypostoma. See Illust. of Hydromedusa.

ced by hydroids of the genus Gonothyræa. It has tentacles, and otherwise resembles a free medusa, but remains attached by a pedicel.

A medusa.

Resembling a medusa in shape or structure.

Like a medusa; having the fundamental structure of a medusa, but without a locomotive disk; -- said of the sessile gonophores of hydroids. -- n.

e eye alone, unaided by glasses, or by telescope, microscope, or the like. -- Naked-eyed medusa. (Zoöl.) See Hydromedusa. -- Naked flooring (Carp.), the timberwork which supports a floor. Gwilt. -- Naked mollusk (Zoöl.), a nudibranch. -- Naked wood (Bot.), a large rhamnaceous tree (Colibrina reclinata) of Southern…

The swimming bell or umbrella of a jellyfish of medusa.

A winged horse fabled to have sprung from the body of Medusa when she was slain. He is noted for causing, with a blow of his hoof, Hippocrene, the inspiring fountain of the Muses, to spring from Mount Helicon. On this account he is, in modern times, associated with the Muses, and with ideas of poetic inspiration. Each…