NOR 



SUPPLEMENT. 



ouz 



also, they embrace a considerable enclosure, 'great service not only in ocular, but la 

 and others of them are surrounded by ap- difficult brain disease, and photographs at 

 parently defensible works. They are very the retina have been obtained, 

 numerous in Sardinia, and the surprise i! ORUKII OF THK J)AV, the businet* of 

 that there should be any doubt as to their the day in Parliament previously set down, 

 origin or use. in the order in which it is to come on and 



-Noium.ursEX Acin.a nearly anhydrous be proceeded with. A motiou for the order 

 ulphuric acid, consisting usually of a brown of the day to be read Is a frequent mode of 

 fuming liquid, formerly manufactured at superseding any other matter already befor* 

 Nordhausen. the House, and, if carried, the orders or 



NUPHAU, the water-lily, the well -known (remaining orders of the day must thn be 

 aquatic plant which sends up its beautiful read and proceeded with in the sequence in 

 flowers from the surface of the British fresh- which they are set down. Such a motion, 

 water streams amid its broad, roun i, floating however, is frequently superseded by a 

 leaves. (motion to adjourn. The practice of moving 



X i TOR.YCKER.a British bird of the genu 

 A'ucifraga and order Piece. 







OBSTETRICS, the science of midwifery, 

 OCCUPATION KOADS, roads made by 



the owners or occupiers of land for their own of column. 



convenience in communicating with the! ORMOLU, the decorati 



occupation bridges. 



OUEHJ.TE, a Swedish variety of black 

 mica, 



ODIX, the Scandinavian Zeus. 



ODOXTOLITE, fossil bones and teeth, 

 found in the tertiaries of Languedoc, coloured 

 with oxide of copper, called also Bone 

 Turquoise. 



UUORIN", a product with strong empyreu- 

 malic odour, obtained from the distillation 

 of the volatile oil resulting from distilled 



strength of wines. 



O3SOPHAGITIS, inflammation of the oeso- 

 phagus. 



- - - . .. ____ to have been, 

 first introduced on All Fools' Day, 1747, and 

 many a disappointed politician has sines 

 thought the practice worthy of its birthday. 



OK<;ANOI;K.N KSIS, the formation of aaj 

 organ from its origin or first stage of deve- 

 lopment. 



URLO, the plinth to the base of z. pedaital 



ve art of copper or 



licating 



Tarious portions of a property, and therefore 

 not public. Over such roads railways and 

 canals must construct bridges ; and where 

 they divide fields in their course, they are 

 bound, for the convenience of the pro- 

 prietors and their tenants, to construct quently the potash partially replaced by 



bronze gilt. 



OKTHITE, a massive and acicular orystal- 

 me variety of Allan ite. 



ORTHOCLASK, or POTASH FELSPAR, 

 a silicate of alumina and potash, with fre 



soda, lime, magnesia, <fec. It w a ommon 

 constituent of granite, formir t frequently 

 large white, grey, or reddish cryrtali 



OKTHOJIOUPHIC, (from opOos, 

 'straight," and /JLOpQl], "shape,") the 

 lormal form or t)erfect development of 

 irganic bodies previous to their *>rininaJ 

 londition. 



OSCILLATING EXGIXKS, e.n arrange- 

 ment of steam engines by which the cylinder 

 oscillates on trunnions near its base, 



O>;koMETEH, a hydrometer for telling the those of a P ie < of ordnance. By th<s 



arrangement connecting rods between the 



piston rod and cran 



are dispensed 



ink pin 



with, and the space required for their'actio^ 



OLEIC ACID, an acid found along with lsave(1 ' while tne stroke of the piston is more 

 margaric acid when almond oil is saponified ; direct lr applied, and brought more nearly at 

 with potash, and the soap decomposed by rislu an s'es to the maximum-power points 



hydrochloric acid. Its symbol is C 3g N 34 O 4 

 OLERACEOUS, having the nature of or 



belonging to pot herbs. 

 OMANUEK VVooo.a calamander wood of 



t 

 an instrument for 



^^^^ 



patient's head being reflected by a small 

 mirror into the eye, the illuminated interior 

 is then capable of examination 

 mall aperture in the centre of the mirror, 



fee applied. The invention has proved of 



>f the crank. They are chiefly valuable 

 steam navigation, where complete action 

 and compactness are concurring requi- 



sites. 



a native alloy of irirtium 

 and n.ium, called also iridosmine, X 

 terms being mere inversions of each other. 



* * f 



OTITIS, inflammation of the ear or any 

 irt of that organ. 



OCZKL.WATER.theCmc* 



, 

 through a part of that orzan 



iquatio 



