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A GLOSSARY OF TERMS 



LAGOO'N. An extensive sheet of 

 shallow water. 



LAGO'PUS. fr. gr. lago's, a hare ; potts, 

 foot: hare-footed. The Ptarmigan. 



LAMANTIN. The manatus. The sea- 

 cow. A genus of mammals of 

 the qrder of cetacea. 



LAMBE'RTI. Lat. Of Lambert. 



LAMEL'LA. Lat. A thin plate or 

 piece. 



LAMEL'LJE Lat. plur. of lamella. 



LAMELLAR. > Composed of lamel- 



LAMELLATED. lae. 



LAMEL'LI BRANCH. Belonging to the 

 lamel'libranchia'ta. 



LAMEL'LIBRANCHIA'TA. fr. lat. /a- 

 mella, a thin plate; branchia, gills. 

 An order of acephalous mollusks. 



LAMEL'LI CORNES. fr. lat. lamella, a 

 plate; cornu, a horn. A section 

 of coleopterous insects. 



LAMELLI'FEROUS. Having a struc- 

 ture consisting of thin plates, or 

 leaves, like paper. 



LAMKL'LIFORM. Shaped like a thin 

 plate or leaf. 



LAMELLIRO'STRES. fr. lat. lamella,* 

 thin plate ; rostrum, beak. Sys- 

 tematic name of a family of 

 birds. 



LAM'INA. Lat. A plate, or thin 

 piece of metal or bone. 



LA'M'INJS. Lat. plur. of lamina. 



LAM'INAR. Composed of laminae. 



LAM'INATED. Divided into distinct 

 laminae. 



LAM'PYRA. fr. gr. lampuris, a glow- 

 worm. A genus of insects. 



LANA'TA. Lat. Lanate : woolly. 



LAN'CEOLATE. Lance-shaped. 



LANCKOLA'TO-SUBULATE. Between 

 lanceolate and subulate. 



LAJTCEOLA'TUS. Lat. Lanceolate. 



LANCE'OVATK. Between lanceolate 

 and ovate. 



LANDSLIP, or LANDSLIDE. In geo- 

 logy, the removal of a portion of 

 land down an inclined surface, 

 from its attachment being loosened 

 by the action of water beneath, or 

 by an earthquake. 



LANIA'RIFORM. fr. lat. Jam'o, to cut 



or tear; forma, shape. Shaped 

 like the canine teeth of the car- 

 nivora, which are called laniares, 

 from their office. 



LANIGE RA. Lat. Lanigerous. 



LANIGE'ROUS. fr. lat. /ana, wool j 

 gerere, to bear. Wool-bearing. 



LAN'IUS. Generic name of shrikes. 



LANU'GINOUS. Wool ly. 



LAPIDIFICA'TION. fr. lat. lapis, a 

 stone ; fio, to become. The pro- 

 cess of conversion into stone. 



LAPIL'LI. fr. lat. lapillus, a little 

 stone. Small volcanic cinders. 



LAPIS LA'ZULI. A mineral belong- 

 ing to the aluminous silicates, of 

 an azure blue colour. 



LAPIL'LUS. Lat. A little stone. 



LA'RUS. Lat. A Sea-mew or Gull. 



LAR'VA. Lat. A mask. An insect 

 after it has left the egg, and be- 

 fore it assumes the form of a chry- 

 salis, is called a larva, because in 

 this state it is, as it were, tnasked. 



LARVAE. Lat. plur. of larva. 



LARVI'PAROUS. fr. lat. larva ; pa- 

 rio, to produce. Applied to in- 

 sects which produce their young 

 in the form of larvce. 



LA'HYNX. fr. gr. larugx, a whistle. 

 The apparatus of voice. It is 

 situate at the superior and ante- 

 rior part of the neck ; and at the 

 top of the trachea, with which it 

 communicates. 



LATENT HEAT. Heat, not indicated 

 by the thermometer, upon which 

 the liquid and aeriform conditions 

 of bodies depend, and which be- 

 comes sensible during the conver- 

 sion of vapour into liquids, and 

 of liquids into solids. 



LA'TERAL. fr. lat. latins, the side 

 Belonging to the sides. The late- 

 ral teeth of bivalves, where they 

 exist, are on one or both sides of 

 the cardinal teeth, which are al- 

 ways central. 



LATERA'LIS. Lat. Lateral. 



LA'TEX. Lat. A peculiar fluid in 

 plants, which is usually turbid, 

 and of a red, white, or yellow co- 



