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Containing lignite; resembling, or of the nature of, lignite; as, lignitic clay. Lignitic group. See Laramie group.

A group of shore birds, embracing the plovers, sandpipers, snipe, curlew, etc. ; the Grallæ.

d related genera. See Brachiopoda, and Illustration in Appendix. Lingula flags (Geol.), a group of strata in the lower Silurian or Cambrian system of Wales, in which some of the layers contain vast numbers of a species of Lingula.

A metallic element of the alkaline group, occurring in several minerals, as petalite, spodumene, lepidolite, triphylite, etc., and otherwise widely disseminated, though in small quantities.

A group of longwinged sea birds, including the gulls, petrels, etc.

A group of birds characterized by having long slender bills, as the sandpipers, curlews, and ibises. It is now regarded as an artificial division.

ts belonging to a tribe (Pediculina), now usually regarded as degraded Hemiptera. To this group belong of the lice of man and other mammals; as, the head louse of man (Pediculus capitis), the body louse (P. vestimenti), and the crab louse (Phthirius pubis), and many others. See Crab louse, Dog louse, Cattle louse, etc.…

A genus of acalephs, having a bell-shaped body with eight groups of short tentacles around the margin. It attaches itself by a sucker at the base of the pedicel.

A more extensive group of acalephs, including both the true lucernarida and the Discophora.

A kind of granite from Luxullian, Cornwall, characterized by the presence of radiating groups of minute tourmaline crystals.

A group of Mammalia, including the marsupials and monotremes; - - so called because the corpus callosum is rudimentary.

One of the group of shooting stars which come into the air in certain years on or about the 19th of April; -- so called because the apparent path among the stars the stars if produced back wards crosses the constellation Lyra.

One of a group of wading birds (Macrodactyli) having very long toes. [Written also macrodactyle.]

Any one of a group of maioid crabs remarkable for the length of their legs; -- called also spider crab.

An extensive group of Invertebrata, including the Mollusca, Brachiopoda, and Bryozoa. Called also Malacozoaria.

An extensive group of insects which are parasitic on birds and mammals, and feed on the feathers and hair; -- called also bird lice. See Bird louse, under Bird.

One of a group which includes the higher orders of mammals, having a large size as a typical characteristic.

One of a group of univalve shells, having a large aperture or mouth.

A member of the scapolite, group, occuring in glassy crystals on Monte Somma, near Naples.

A group of the human race, including the dark whites.