3830 Biaxial Crystals 



curves of no colour, theory. Mace de Lepinay, 



J. J. de Ps. 2 (1883) 162-. 

 dispersion of optic axes and axes of elasticity. 



MacCullagh, J. Ph. Mg. 21 (1842) 293-. 

 inclination of optic axis to ray axis. Walton, 



W. QJ. Mth. 5 (1862) 317. 



Wa~ 

 13 (1875) 66-. 



lateral ray-velocities. Walton, W. QJ. Mth. 



MacCullagh 's differential equations for, and 



their generalisation. Kobald, E. Wien Ak. 



Sb. 99 (1891) (Ab. 2a) 826-. 

 minimum deviation for prisms. Liebisch, T. 



Gott. Nr. (1888) 197- ; N. Jb. Mn. (1900) 



(Bd. 1) 57-. 

 obliquity of ray. Walton, W. QJ. Mth. 4 



(1861) 1-. 

 optic axes, determination. Beer, A. Pogg. 



A. 91 (1854) 279-. 



theorems. Walton, W. QJ. Mth. 4 (1861) 

 147-. 



propagation of light in, models and diagrams 



to illustrate. Vincent, J. H. Ph. Mg. 44 



(1897) 3 17-. 

 ray-directions. Walton, W. QJ. Mth. 23 (1889) 



7-. 

 velocity of normal propagation of plane waves 



in. Glazebrook, E. T. [1878] Phil. Trans. 



170 (1880) 287-. 

 vibration-cone and section-cone. Walton, W. 



QJ. Mth. 13 (1875) 268-. 

 wave surface. Cauchy, A. L. C. B. 13 (1841) 



319-. 



, Fresnel's, quaternion equations for. 

 Hamilton, (Sir) W. E. Ir. Ac. P. 7 (1858) 

 122-, 163-. 



, lines of curvature. Zech, P. Crelle J. 



54 (1857) 72- ; 55 (1858) 94. 

 , properties. Zech, P. [1855] Crelle J. 



52 (1856) 243-. 

 , property. Walton, W. QJ. Mth. 22 



(1887) 268-. 



Refraction in Crystals 3830 



Conical refraction. Beer, A. Pogg. A. 83 

 (1851) 194- ; A. C. 34 (1852)114-; Pogg. A. 

 85 (1852) 67-. 



. Januschke, H. Mh. Mth. Ps. 5 (1894) 



129-. 



, apparatus. Laurent, . [1873] Par. 

 Se. S. Ps. 1 (1873-74) 84-. 



, (Laurent). Lissajous, J. [1873] 



Par. Se. S. Ps. 1 (1873-74) 86-. 

 in biaxial crystals. Potter, R. Ph. Mg. 



18 (1841) 343-. 

 , experiments. Nodot, . Par. S. Ps. 



Se. (1875) 133. 

 , external, arrangement for observation. 



Liebisch, T. Gott. Nr. (1888) 124-. 

 , internal. Zech, P. Pogg. A. 104 (1858) 



188. 

 of straight line. Clifton, E. B. QJ. 



Mth. 3 (1860) 360-. 

 Crystallised bodies, action on homogeneous 



light. Herschel, (Sir) J. F. W. [1819] Phil. 



Trans. (1820) 45-. 

 , light. Brewster, (Sir) D. [1813] 



Phil. Trans. (1813) 101- ; (1814) 187-. 



surfaces, action on light. Brewster, (Sir) 



D. Phil. Trans. (1819) 145- ; B. A. Ep. 

 (1836) (Pt. 2) 13-. 



Difference of path in elliptic refraction in quartz. 



Quesneville, G. C. E. 121 (1895) 1136-. 

 between the 2 rays emerging from 



doubly refracting plate. Cauchy, A. L. C. 



E. 30 (1850) 97-. 



pnase produced by crystalline laminae, 



construction of quarter wave and half wave 

 plates. Eighi, A. Em. E. Ac. Line. Ed. 

 1 (1892) (Sem. 1) 189-. 



Dispersion in absorbing crystals. Horn, G. 

 N. Jb. Mn. (Beil.-Bd.) 12 (1899) 269-. 



of arragonite. Lang, V. von. Wien Ak. Sb. 

 83 (1881) (Ab. 2) 671-. 



and axial density of prismatic crystals. 

 Schrauf, A. A. Ps. C. 28 (1886) 433-. 



of colours and behaviour of light in crystals. 

 Eisenlohr, F. Heidi. Vh. Nt. Md. (1857- 

 59) 237-; Pogg. A. 109 (1860) 215-. 



doubly refracting crystals, plane of 

 luminous vibration deduced from. Carvallo, 

 E. Par. S. Ps. Se. (1890) 76-. 



for infra-red radiations in Iceland spar. 

 Carvallo, E. C. E. 126 (1898) 950-. 



Birefractometer or eye-piece comparer. Amann, 



J. Z. Ws. Mkr. 11 (1894) 440-. 

 Bone-lamella and sugar, properties. Marx, 



C. M. Kastner Arch. Ntl. 8 (1826) 385-. 

 Boracite and other substances, dimorphism. 



Mallard, E. Par. S. Ps. Se. (1884) 60-. 

 Carbon disulphide, barium carbonate and 



nitre, properties. Brewster, (Sir) D. [1814] quartz. Carvallo, E. C. E. 126 



Edinb. E. S. T. 7 (1815) 285-. (1898) 728-. 



Chabazite, properties. Johnston, J. F. W. Ph. of optic axes in certain crystals. Dufet, H. 



Mg. 9 (1836) 166-. 

 Coincidence of the 2 rays in doubly refractive 



medium. Wace, F. C. QJ. Mth. 3 (1860) 



47-. 

 refracted rays in crystalline media. M ore, 



L. T. Ph. Mg. 49 (1900) 262-. 

 Colour phenomena of doubly refracting sub- 

 stances in polarised light. Kimig, W. Frkf . 



a. M. Ps. Vr. Jbr. (1892-93) 27-. 

 Conical refraction. Hamilton, (Sir) W. E. 



[1832] Ir. Ac. T. 17 (1837) 132-. 

 . Lloyd, H. [1833] Ir. Ac. T. 17 (1837) 



Par. S. Ps. Se. (1887) 224-. 



and refraction. Goldhammer, D. Es. Ps.- 

 C. S. J. 18 (Ps.) (1886) 239-; J. de Ps. 

 7 (1888) 226-. 



in series of isomorphic biaxial 

 crystals. Perrot,F.L. C.E. Ill (1890) 967-. 



of ultra-violet. Borel, G. A. C. E. 



120 (1895) 1404- ; Arch. Sc. Ps. Nt. 34 

 (1895) 134-, 230-. 



term, Briot's, influence on laws r of double 

 refraction. Carvallo, E. Par. EC. Norm. 



145-. 



. MacCullagh, J. (vi Adds.) Ph. Mg. 



3 (1833) 114-, 197. 



A. 7 (1890) (Suppl.) 123 pp. 

 theory of Cauchy, and its application to 

 doubly refracting crystals. Eadicke, G. Pogg. 

 A. 45 (1838) 246-, 540-. 



382 



