Search the Dictionary

Any fresh-water air-breathing mollusk belonging to Planorbis and other allied genera, having shells of a discoidal form.

pile or cylinder of large diameter sunk by atmospheric pressure. -- Pneumatic pump, an air-exhausting or forcing pump. -- Pneumatic railway. See Atmospheric railway, under Atmospheric. -- Pneumatic syringe, a stout tube closed at one end, and provided with a piston, for showing that the heat produced by compressing…

l (Zoöl.), any gastropod living in fresh-water ponds or lakes. The most common kinds are air-breathing snails (Pulmonifera) belonging to Limnæa, Physa, Planorbis, and allied genera. The operculated species are pectinibranchs, belonging to Melantho, Valvata, and various other genera. -- Pond spice (Bot.), an American s…

r sub-class, of hermaphrodite gastropods, in which the mantle cavity is modified into an air- breathing organ, as in Helix, or land snails, Limax, or garden slugs, and many pond snails, as Limnæa and Planorbis.

A genus of air-breathing land snails having an elongated spiral shell. Coarctate, or Obtected, pupa, a pupa which is incased in the dried-up skin of the larva, as in many Diptera. -- Masked pupa, a pupa whose limbs are bound down and partly concealed by a chitinous covering, as in Lepidoptera.

A class of air-breathing oviparous vertebrates, usually covered with scales or bony plates. The heart generally has two auricles and one ventricle. The development of the young is the same as that of birds.

(Clotho nasicornis) having a spine on the nose. -- River limpet (Zoöl.), a fresh-water, air-breathing mollusk of the genus Ancylus, having a limpet-shaped shell. -- River pirate (Zoöl.), the pike. -- River snail (Zoöl.), any species of fresh-water gastropods of Paludina, Melontho, and allied genera. See Pond snail,…

helter, as a cave or den; also, a vault or crypt. [Obs.] The shroud to which he won His fair-eyed oxen. Chapman. A vault, or shroud, as under a church. Withals.

o abate; to ease. To respite, or deceive, or slack thy pain Of this ill mansion. Milton. Air-slacked lime, lime slacked by exposure to the air, in consequence of the absorption of carton dioxide and water, by which it is converted into carbonate of lime and hydrate of lime.

Any one of numerous species of terrestrial air-breathing gastropods belonging to the genus Helix and many allied genera of the family Helicidæ. They are abundant in nearly all parts of the world except the arctic regions, and feed almost entirely on vegetation; a land sanil.

is native of Asia, Africa, and Europe. Black-necked stork, the East Indian jabiru. -- Hair-crested stork, the smaller adjutant of India (Leptoptilos Javanica). -- Giant stork, the adjutant. -- Marabou stork. See Marabou. -- Saddle-billed stork, the African jabiru. See Jabiru. -- Stork's bill (Bot.), any plant of…

room; -- often used in this sense as the second member of a compound; as, water- tight; air-tight.

e was not able to keep that place three days for lack of victual. Knolles. There came a fair-hair'd youth, that in his hand Bare victual for the movers. Tennyson. Short allowance of victual. Longfellow.

A fair-leader.