LYCOPODIUM 



205 



MACLURA 



Lycopodium, ( li-ko-po'di-mn ). [Gk. lykos, 

 wolf; pous, foot.] l.=Club-moss: a plant 

 belonging to Lycopodiaceae. 2.=Vegetable 

 sulphur: the powder found in the seed cases 

 of the club-moss, which burns very readily, 

 and is used to produce an imitation of 

 lightning. 



Lycopsis, (IT-kops'is). [Gk. lykos, wolf; opsis, 

 face.]=Bugloss: a plant belonging to Bora- 

 ginacese, named from the shape of the flowers. 



Lycopus, (lik'op-us). [Gk. lykos, wolf; pous, 

 foot. ] = Gipsy-wort; a plaut belonging to 

 Lamiacese. 



Lydian, (lid'i-an). [Lydia, in Asia Minor.] 

 L. key=~K.ey of F; the musical scale of 

 which P is the key note. v. Keys. L. stone 

 =Basanite: a black siliceous stone, used as 

 a test of the hardness of minerals. 



Lyencephala, (li-en-sef'a-la). [Gk. lyo, I loose; 

 egkephalos, brains.] A division of Mam- 

 malia by Owen, including Marsupiala and 

 Monotremata; the latter not known fossil, 

 but might be looked for in Primary rocks; 

 the former found in Secondary rocks. 



Lyme-grass=Elymus: a plant belonging to 

 Graminacese. 



Lymph, (limf). [L. lympha, clear water.] 1. 

 An alkaline fluid; blood without its red 

 corpuscles, a supply of which is given to 

 the blood from the chyle or nutritious 

 portion of food. 2. Also a similar fluid, 

 formed of the superfluities of the blood- 

 vessels, which goes back to the heart. 



Lymphatic. L. capillaries: convey lymph 

 to the thoracic duct: found only in verte- 

 brate animals. L. ganglia or glands: oval 

 bodies forming centres of the lymphatic 

 capillaries. L. heart, v. Heart. 



Lynton group=:Lower Devonian. 



Lynx, (lingks). [The Latin name.] 1. Felis 



lynx: an animal 



belonging to Fe- 



lidae. 2. A nor- 



thern constella- 



tion near the 



pole, formed in 



the 17th century. 

 Lyra, (li'ra). [The 



Latin name.] 1. 



=The Lyre: one ' 



of the northern Lynx. 



constellations, of which Vega is the chief 



star; and which contains many double, 



triple, and quadruple stars. 2. A delicate 



membrane in the brain, uniting tlua cords 



of the fornix. 

 Lyre, (llr). [Lyra, the Latin I 



word.] L, bat = Megadermaj 



an Australian bird, whose tail, 



feathers ha ve the form of a lyre. 

 Lyrencephala, (li-ren-sefa-la). 



[Gk. lyo, I loosen; egkephalos, 



brain. ]=Loose-brained=Rep- 



tiles: so named by Owen, from 



their brain being somewhat 



like the loose brain of birds. 

 Lysimachia,(lis-i-mak'i-a). [Gk. 



lysis, loose; mache, strife.]=[ 



Loosestrife: an herb belonging 



to Primulaceae. Lyre-bird 



Lythraceae, (li-thra'se-e). [Lythrum, q.v.] 



Loose-strifes: herbs, with showy flowers, be- 



longing to Saxifragales. 

 Lythrum, (li'thrum). [Gk. lythron, black 



blood.]=Loose-strife: an herb, the type of 



Lythraceae, named from the colour of the 



M. 



Macacus, (ma-ka'kus). [Macaco, the Brazilian 

 name.]=Macaque=Inuus: a monkey belong- 

 ing to Simia, found at Gibraltar and in Asia. 



Macaw, (ma-kaw'). [The native name.]= 

 Macrocercus: an Ameri- 

 can parrot-like bird. 



Mace, ( mas ). [ Mads, 

 the French name.] = 

 Aril of Myristica mos- . 

 chata and of Pyrrhosa 

 tingens. v. Nutmeg. 



Macellodus, (ma-sel'lo- 

 dus). [Gk. makella, 

 spade; odous, tooth.] 

 An animal, belonging 

 to Lacertilia, known by fossil remains? 



Maceration, (mas-ser-a'shun). [L. Macero, 

 I make thin.] The action of a cold liquid 

 upon a powdered substance, by which it is 

 softened or partially dissolved, cf. Digestion. 



Machairodus, (mak-i'ro-dus). [Gk. machaira, 

 sabre; odous, tooth.] A lion-like animal, 

 known only by fossil remains, found in 

 Recent rocks and in caves. 



Machicolations, (mak-i-ko-la'shunz). [Machi- 



coulis, the French word.] Openings in a 

 parapet or gallery through which projectiles 

 may be thrown. 



Macigno, (ma-sS'nyo). [The Italian name.] 

 An Italian rock formation, coeval with 

 London clay, but harder and more compact. 



Macintosh, (mak'in-tosh). [Mr. Macintosh.] 

 A waterproof cloth, consisting of a layer of 

 caoutchouc between two layers of cloth, 

 silk, &c. 



Mackerel, (mak'er-el). [L. macula, spot.]= 

 Scomber scombrus: a sea fish, named from 

 its spotted appearance. M. guide=Be\one 

 vulgaris: a pike-like fish. M. midge=~M.oteUa. 

 glauca : a cod-like fish . M. . sky = Cirro-cumu- 

 lus clouds. 



Made, (mak'l). [L. macula, spot.]=Andalu- 

 site: a mineral, chiefly silicate of alumina, 

 named from being partly light-coloured and 

 partly dark. 



Macles, (makTz)=Twin crystals=Hemitropes: 

 crystals which look as if formed by the 

 intersection of two crystals. 



Madura, (mak-lu'ra). [W. Maclure of 

 America.] A plant belonging to Moracese. 



