MAS SUPPLEMENT. MOU 



prolnced troo the decomposition of sulphide represent a middle life period in the ant- 



of antimvnr sy iron- mated habitation of the world: a distinctioa 



AU.sTie*voiiiES, medicines which j:ro- which it might have been fairly anticipated 



mole t?U m-retion of saliva. subsequent geological discovery and maturer 



.\l.vs !<>'; HKCA, the abdominal pouch of scientific considerations would destroy ; ana, 



M.usu;:i:-l riammals. as might have been expected, though the 



JiAi;vK. a beautiful purple aniline dve, term may remain, its propriety is already 



obtain*! also from benzol. gone. The so-called Mesozoic includes the 



MKAI; Sc.v, an imaginary sun, assumed cretaceous series and the new red sandstone, 



to mow regularly and uniformly at the .with all the intervening series. 



m**u Telocity of the true sun. It thus METACARPUS, the portion of the hand be- 



ra*rlM aue distinguishes mean time from tween the fingers and wrist. 



tru time, and the mean tolar day from the METACENTKE, Bouguer's term for the 



true solar day, and thereby affords a mea- point or centre of stability of floating bodies. 



sure for reducing observations to practical The centre of buoyancy and the centre of 



accuracy. ] gravity coincide or vary according to the 



MECHANISTS, a set of philosophers who lading, and the position of the Metacentre 



considered the changes of the material uni- or centre of stability depends upon and is 



verse due to the operation of mechanical subordinate to the relative position of these, 



forces. .and, like them, it varies in intensity or 



-MEDLAR, the fruit of a plant common quantity, as well as position, 

 in Central Europe in the wild state, the METALLIC COLOURS, those colours which 

 Jlfspilus Germanica. are obtained from a metallic base, such as 



MEDULLARY HAY*, the cellular tissue the lead, chromium, cadmium, vermilion, 

 radiating from the centre of the stm out- and other pigments, as distinguished from 

 ward to the bark of exogens, observable animal and vegetable colours, such as cochi- 

 wiien the trunks of timber trees are cut in neal, which is an insect product, and mad- 

 transverse sections. der, indigo, &c., which are vegetable 



MKUALICTHYS, a genus of fossil fishes, products. 



some species of which are of great size. Dental METALLOCHROMES, a beautiful series of 

 and other remains of M. Hibberti have been prismatic tints, produced on polished steel 

 found in coal fields of Edinburgh and Fife, plates by Nobiliby the depositing upon them, 

 MELA.M, a product of the distillation of under electrolyte action, thin films of per- 

 sulpho-cyanide of potassium mixed with sal oxide of lead - 

 ammoniac. ' METAXITE, a fibrous serpentine. The 



MEL-AXIC ACID, a black amorphous name nas also *> eei1 applied to chrysolite, 

 body obtained from hydride of salicyl [ METHYLATED SPIRIT, alcohol or spirits of 



MELANOCHROITE, a chromate of lead wine mixed with a tenth of its volume of 

 found in Siberia, which becomes black under W00fl Pint, and sold duty free for the pur- 

 the action of the blow-pipe ' P se f facilitating the manufacture of 



MELANOTAXXIC ACID, a dark body result- ^rnishes and other uses in the productive 

 ing from the action of potassa in excess on arts - 

 Miiinic acid. i METOPOSCOPT, divination by inspection of 



MELILITE, or HONEY STONE, a silicate of the forehead. 



alumina, magnesia, peroxide of iron lime MEZZO RILIEVO, in middle relief, or be- 

 potash, and soda. ' tween basso and alto rilievo. 



MELOFSITE, a variety of lithomarge of a MICHAELITE, a pearly white fibrous 

 pare greenish or yellowish colour. variety of opal from the island of St. Michael, 



MEXDIPITE, an oxy chloride of lead found Azo res. 

 in the Mendip Hills ( MILK WEEDS, the genus Aidzpias. 



MEXEGHINITE, a double sulphide of lead MISE-EX-SCEXK, the getting up of the 

 and antimony. piece, in dramatic language. 



MEXiLiiE.anopaque brownish opalfound -^OHSITE, a crystallised titaniferoua 

 near Paris. , in. 



MERCAPTAX, Corpus Mercurium cap- ' MpHTLCTOMr, like a necklace, applied 

 tans, a liquid compound of carbon, sulphur, to *?**nj to certain seed pods, 

 and hydrogen, so called from its powerful MOHMHOOD, or Acoxn'E, the Aconi- 

 action on mercury. ** Jfapellut. 



MERICARP, half of the double fruit of Moss A(iATE agates with dentritic or 

 umbellifers. moss-like interior arrangements and mark- 



MESITYLEXE, a hydrocarbon product of in s f - 



the action of sulphuric acid on acetone Its -^OTHER-CELLS, cells from which other 

 formula is C H , . cells ar < developed. 



MO i siXG A HOOK, a nautical term 



MESOZOIC ROCKS, the group of rocks signifying the securing a hook to anything to 

 ? ^M^f 00 ^'^ CaUed by Pro ' which it is attached, by passing a piece of 

 feasor Phillips from their beinfi supposed to spun yarn round the back and point of it. 



