INDEX. 



493 



Exemplar, and cumular reading, 212; Aristotle's sys- 

 tem affirmed to be, 443 ; system completed, 457 



Extension and comprehension, distinction of, how 

 made by Aristotle, 187 ; misconceived by recent lo- 

 gicians, 188 ; logical basis of, 475 



Extension and intension claimed for both the mathe- 

 matical and metaphysical sides of logic, and symbo- 

 lised, 184; former predominates in the mathematical 

 whole, 191; latter in metaphysical, 192 



Facility, contrasted with probability, 409 ; modulus of, 

 413, 418 ; of value, laws of, discussed, 414 



Faraday's lines of Force, 27 



Experimental Researches, the mathematical foun- 

 dation of the modes of thought in, expressed in six 

 laws, 65, 66 



Electrotonic state, 51 



researches on the origin of the power in voltaic 



circle suggest certain researches on animal secretions, 

 249 



Field, Magnetic, of uniform or variable Intensity, on 

 eflfect of sphere placed in, 70 — 76 ; revolving spherical 

 shell in, 81—83 



Finite to infinite, diflBculty of arguing from, 410 



Fluid, Incompressible, Theory of Motion o^ 30 — 33 



Fluxion, notion of, included in intension and remission 

 of schoolmen, 426 



Force, Intensity of. Method of representing by velocity 

 of an imaginary incompressible fluid in fine tubes of 

 variable section, 30 



lines of, defined, 29 



Forces, laws of aggregation of, ?93; proofs of parallelo- 

 gram of, not mere mathematical playthings, 301 



Force, to express quantity in metaphysical reading, 197 



Form and matter, distinction of, 174; misconceived by 

 recent writers, 177 



Foucault's experiment on heat produced in spherical 

 shell revolving in magnetic field, referred to, 83 



Fraser's Magazine, criticism of an Article in, by Mr 

 Munro, 403 



Fresnel's Integrals 



_('cos(|.^)c 



ds, &c. ; also integral 

 I (-' dt are connected with the integral / (<>' da, 



63; in spherical elec- 



112 

 Functions, Electrotonic, defined, 

 tro-magnet, 78 



yijyfve'is (of Sophista), on, 165 



GoDFEAY, H., M.A. On a chart and diagram for facili- 

 tating great circle sailing, 271 ; proposal for chart on 

 Central or Guomonic projection, 272; on windward 

 sailing, 273 ; on composite sailing, 277; on construction 

 of the chart, 278 ; description of course and distance 

 diagram, 279, on use of same, ib., examples of use. 



280 ; on CO struction of course and latitude curves, 



282 

 Graham, researches of, on Otmoie considered, 259 

 Grave Harmonic of Tartini, 131 

 Gyroscope, Theory of, 18—20 



Hamilton's, Sir W., criticism on De Morgan's logic 

 answered, 223, 229 ; his sjstem criticised, 429 ; forms 

 expressed in Aristotelian forms, 434 ; quantification, 

 full system at which it aims, 471 



Harmonics, Dr Smith on, 129 



Haywakd, R. B., M.A. On a direct Method of esti- 

 mating velocities, accelerations and all similar quan- 

 tities with respect to axes moveable in any manner 

 in space, with applications. The Method with some 

 Kinematical applications, Section i. pages 2 — 7 ; Dy- 

 namical applications. Sect. ii. 7 — 20 



Heat, formulae of, analogy between, and those of attrac- 

 tion, 28 



Helmholtz, Method of, in Memoir on Conservation of 

 Force, applied to conditions of conduction of currents 

 within the medium during changes in the electro- 

 tonic state, 64 



Hexameter, Latin, Mr Munro on, 387; English, the 

 same on, 403 



Holder, Dr W. His claim to be considered the imme- 

 diate predecessor of Sauveur in the theory of beats, 

 131 n. 



Iambic, Latin, Mr Munro on, 383 



Ideas, Platonic Theory of, 94 



Images, Electrical, Theory of Sir W. Thomson's, 68—70 



Imaginary symbols, use of, not strictly logical, 327 



Indivisibles, 424 



Induction, Paramagnetic and Diamagnetic, Theory of, 

 44 



Magnecrystallic, Theory of, 45 



Inductive capacity, 54 



Inertia, measure of, 12 ; relatively to translation is mass, 

 and to rotation a qiMternion, in Sir W. Hamilton's 

 sense, ih. 



Inscription at Cirta copied by Mr Blakesley, Mr 

 Munro on an, 374 ; another copy of same, 403 



Integral, Airy's, 105, 115; mode of discontinuity of 

 constants in, determined and discussed, 117; Geome- 

 trical illustrations, 118; the complete integral ex- 

 pressed, 119; two different forms of the integral, 116; 

 the two linear relations which connect the two con- 

 stants in these different forms determined, 119 — 121 



Integrals, Fresnel's, 112 



Integral I f sin 2au?fite considered, 106; determina- 



tion of the arbitrary constant of this integral and its 

 mode of discontinuity ascertained, 107; the constant 

 determined by a second method confirmatory of pre' 

 vious results, 109 



