LOD SUPPLEMENT. MAE 



the Silurian series of South Wales. Tlujyi MAGNETITE, oxydulated iron or mag- 

 abound with graptolites and otlur fossils, netlc iron ore. 



They correspond with the Utioa slates of, MAHARANGA,agenusof Boraginacea, of 

 America and the Angers slates of France. (which the species it. JSmodi yields the 



LODESTAR the Pole star. itutton roots of Indian commerce, used for 



LOGAN STONES, the rocking stones. Many colouring oils for staining, 

 f them are apparently natural and purely MA 1 1..K, the family of crabs, typified by 

 accidental results of the depositation of the the genus Maia, of which the sea spider is 

 glacial drift, q. v. \ n example. 



Lo: MI c, (from Ao^^O.) relating 4jffS&SjSKSASS 

 pestilential diseases, such as the plague and from the iston rod 

 other infectious diseases. j MAI/.ENA, the finer kind of flour pre- 



LOTOPHAGI, (from AcaTOtfiayos,) the pare ,j from Indian corn or maize, 

 lotus-eaters, the people among whom Ulysses MAJOLICA, a variety of pottery manu- 

 was carried, according to Homer, when trying factured by the Moors at Majorca during 

 to double Cape Malea. Those who ate the fruit their possession of that island, consisting of 

 of the lotus were risi ted with forgetfulness, earthenware coated with iead glaze, and 

 and lost all recollection of their country and highly coloured. English Majolica has been 

 friends, preferring a quiet life of inaction; produced by Mr. Minton and others, 

 in the land of the lotus. The legend is un-j MALACOLITE, a dark green variety of 

 questionably one of great poetic beauty. augite. 



LUDLOW SERIES, a series of deposits con- MALEIC ACID, an acid product of the 

 sisting of the upper sands and shales of distillation of malic acid at a high tempera- 

 Ludlow, the Aymestry limestone beneath, ture- It is isomeric with fumaric acid, 

 and under these the lower Ludlow shales MALMSEY, a fine-flavoured variety of 

 and limestone concretions. Together these Madeira wine formerly made at Malvasui, 

 are the uppormember of the English Silurian in the Morea. 

 formation. j MANCINITE, brown silicate of zinc. 



LUSIAD, the great epic poem of the For-' MANGANITE, hydrated peroxide of man- 

 tuguese poet Camoens. A great work, fre- ganese, or grey oxide of manganese, 

 quently translated. I MANGONEL, an ancient warlike engine 



LUXATION, dislocation of a joint, in for throwing missiles in sieges, 

 anatomy. I MANTLETS, shields proof against small 



LYRA, the Lyre, one of the constellations ; shot, capable of being moved from point to 

 also the name given to a lyre-like disposi-, point, to protect sappers or gunnen during 

 tion of the cerebral fibres of the under pos- sieges. 



terior surface of the Corpus CaUosum. j MAPLE, the Acer family of trees, which 

 : includes many valuable species, as the sugar 



J^[ ! maple, Acer Saccharinum, common maple, 



A. Campestre, Norway maple, A. Platano- 



MACATCO, a name used to designate ides, &c. 



several species of quadrumana of the genus MARASCHINO, a liqueur prepared from 

 Lemur. ' the Dalmatian marasquin cherry by fermen- 



MAGBB, the astringent bark of the root tation and distillation, the fruit being 



of a Malabar tree, very effective in the cure 

 of diarrhoea. 



MACLUREITE, a silicate of magnesia, 

 with some oxide of iron, potash, and fluo- 

 rine, found in Imperfect crystalline masses 

 in New Jersey. 



MACRAUCHEXlA.acolossalgenusof three- 



bruised and the kernels used as flavouring. 



MARC, oil cake the refuse or residue of 

 seeds after oil has been expressed from them. 

 They are frequently used as manures. 



MAHGAIUTF, hydrated silicate of alu- 

 mina, soda, and lime. 



MAEIOXITE, a hydrated carbonate of 



toed or Perissodactyle Mammalia, allied to zlt 



the Llamas and Camels. I MARMATITE, a blende in which part of 



MAOBOF1PBB, a genus of shrubby cor- ; the zinc is replaced by iron, and occasionally 

 date-leaved Polynesian plants, of which the by cadmium. 



epecies M. Methysticum supplies the kava| MARSH'S APPARATUS, a test suggested 

 or ava root, from which the narcotic bever- by Mr. Marsh in 1836, for the detection of 

 age kava is obtained. arsenic. It consists of a j et of pure h vdropjn 



MAGDEI.UUG HKMISPHMIES, an ap- Warned, to the flame of whicLsurfacTot 

 paratus originating with Otto Guericke, of white porcelain is subjected. When the 

 Magdeburg, consisting of two hollow hemi- hydrogen contains any trace of arsenic, it is 

 pheres fitting each other closely at the revealed by a steel grey deposit of the metal 

 edges. When the interior air is abstr -cted within a dark rtag of its Uuboxide Wuu 

 by the air pump, they exemplify the force of the hydrogen Is pure no metallic dti-oaU 

 atmospheric pressure from without by tb* takes place 



force with which they are held together. AlAJuiAL REOULU^. metallic antimony 



803 3 F 2 



