COP SUPPLEMENT. COS 



The ordination, so to speak, of a series of primary molecular, corpuscular, or atomic 

 points may be effected by a double system of structure of the material universe. Leucippus 

 ordlnates, instead of by a system of ordinates and Democritus first announced such a 

 and abscissae, and in that view, though some doctrine in Greece, and Epicurus proceeded 

 distinction is shown in ihe figure, the lines in the same diiectinn, maintaining that 

 .PJ/and Plf, or, if so determined, OM and the monads or atoms suggested by them, and 

 ON, may be called the co-ordinates of the point which had only the properties of hardness 

 P. There are many systems of co-ordinates iu and gravity, were the ultimate principles of 

 use, distinguished as the Cartesian (rectan- all things. Modern atomic theories are a 

 (fu/ar, as in the figure, and oblique), Polar, great improvement on this. Among these is 

 Quadriplanar, Elliptical. Spherical, &c., Ac. one suggested a quarter of a century ago, 



COPA LINE, a brown fossil resin, resembling which has not yet received the attention it 

 copal, first discovered at Highgate Hill in deserves : viz., that the molecules of matter 

 the London clay, and called Highgate are not solid, but are filled with electricity. 

 Resin. as the soap bubble is with air, and are 



COPING, the top course of a wall in archi- capable, like it, of great elastic expansion 

 lecture, generally made broader than the and contraction and that they are only 

 wall for the purpose of clearing it of the round, like the soap bubble, when taken 

 rainfall. singly, but are polyhedral over all their 



COPPER PYRITES, a double sulphide of united surfaces of contact, when in clusters, 

 copper and iron, composed of equal per-cent- This theory explains how and where elec- 

 ages of copper, sulpur, and iron. It is also tricity, which undoubtedly is present in all 

 called Yellow Copper Ore, and, when exhibit- bodies, is accommodated within them, and 

 Ing an iridescent tarnish, Peacock Ore, It how bodir s which, under extreme contrac- 

 ts the chief copper ore of England. tion, are hard, solid, and opaque, become, 



COPPICE or COPSE WOOD, those woods in under increasing expansion, fluid, gaseous, 

 which the trees are prevented from growing diaphanous, and transparent. It also satis- 

 iiito strong boles or stems by periodical fies the chemical requirement of definite 

 cutting ; such as scrub oak. Many of our atoms for proportional admixture and corn- 

 forest trees admit of this treatment, and bining quantities, and their concurrent 

 become a valuable source of bark for expansion and contraction within definite 

 tanners, poles, sticks, hoops, and stakes for limits in the compounds they form, and 

 crates, and wicker hurdles, hop-poles, walking- explains the great expansion and increase of 

 sticks, and umbrella-sticks, faggots, &c. Our volume which many compounds undergo 

 native singing birds seem to delight in such under explosion. [J. A- S.] 

 woods. CORSAIRS, sea pirates and their ships. 



COQUILLA NUTS, the seeds of the South The corsairs of the Mediterranean held corn- 

 American palm, Attalea funifera, well missions or authority from the princes of 

 known in turnery. Barbary to attack the merchant shipping of 



CORAL ORE, a hepatic cinnabar from other nations, and were therefore not unlike 

 Idria, Carniola, so named from its singular our merchantmen holding letters of marque 

 resemblance to the organic structure of fossil in time of war. 

 shells. ! CORTMBUS, the foliage, fruit, and gar- 



CORCCLUM, the name formerly given to lands by which vases were enriched by the 

 the embryo of a plant. Greeks ; also the knot or cluster of hair on 



CORDATE, heart-shaped, applied to any the top of the head of the Greeks, 

 organ having this shape, in botany. CORVXE, a species of generative polypes, 



CORDIERITE, a synonym cf lolite. characterised by parthenogenesis. See 



CORM, a short bulb -like underground stem, PARTHENOGENESIS. 

 such as that of the Gladiolus. ) CORYPH.EUS, in the ancient dramas the 



CORONAMEX, the "coronet" of veterinary leader of the chorus by whom the dialogue 

 surgeons, or superior margin of a hoof. of the explanatory chorus was carried on, on 



CORNET BONE, the second phalanx of a the part of the chorus, with the actors in the 

 horse's foot. i drama. He also led the choric song. 



CORPS D'ARMEE, the various corps of! CORYZA, a copious running from the 

 which an army is made up, consisting of nose. 



Divisions, Brigades, Battalions, and Regi-\ COSMETICC, applications to the face for 

 ments. the improvement of the complexion, 



CORPUS CALI.OSUM, the band of transverse removal of pimples, freckles, &o. For the 

 fibres, or commissure, connecting the two latter, a lotion, composed of eight parts of 

 hemispheres of the brain. water to one of brandy, and a few drops of 



CORPUS LUTECM, the yellow mass formed muriatic acid sufficient to render the mix- 

 in a Graanan vesicle after the escape of the ture sour to the taste, is efficacious. It 

 orum. \ forms also an excellent means of destroying 



CORPUSCULAR PHILOSOPHY, the mole- parasitical worms and boils by suppression, 

 cular or atomic philosophy, which has from and might prove valual le even in cases of 

 time to time endeavoured to explain the cancer. 

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