XXVIII

866. Jesuiticus, Remarks on a Paper by M. Moon : On FresneFs Theorv

of Double Refraction, Phil Mag., (3), XXVIII, 1 66. 866. Moon, Reply to Jesuiticus, PhiL Mag., (3), XXVIII, ai 5. 866. Stokes, On a Formula for Determim'ng the Optical Constants of Doubly

Refiracting Crystals, Mathetn. Joum. of Cambr., I. 866. Faraday, Thoughts on Ray-Vibrations, PhiL Mag., (3), XX VIII,