Vll 
Smith J., M.A. — On the Origin of Colour, and the Theory of Light, p. 137. 
Smith R. Angus, F.R.S., V.P. — On Exhibitions on the Continent, p. 28. 
On the Examination of Water for Organic Matter, part I., p. 72. 
Part II., p. 78. A Search for Solid Bodies in the Atmosphere, p. 154. 
Vernon G-. V., F.R.A.S., F.M.S. — Solar Radiation Observations, made at Old 
Trafford, Manchester, p. 46. On the Rainfall at Old Trafford, Man- 
chester, during the year 1867, p. 128. Notes of Comparisons of Ozone 
Papers, p. 219. Increase of Ozone with Increase of Altitude, p. 221. 
Vize Rev. J. E.— -On the Mite of the Wood Pigeon, p.211. 
Wilkinson T. T., F.R.A.S.— On some Points in the Restoration of Euclid’s 
Porisms, p. 68. 
Meetings of the 'Physical and Mathematical Section. — Annual, p. 179. Ordi- 
nary, pp. 52, 79, 97, 118, 213.. 
Meetings of the Microscopical and Natural History Section. — Annual, p. 
211. Ordinary, pp. 23, 62, 116, 161, 207, 210. 
Report of the Council. — April 28th, 1868, p. 183. 
ERRATA. 
Page 194, 
„ 195 
„ 196 
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55 55 
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„ 197 
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„ 198 
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line 23, for “ L’Ancrene,” read “ L’Ancresse.” 
„ 28, for “ ophioglonifolius,” read “ ophioglossifolius.” 
„ 6, for “Branica adprena,” read “Brassica adpressa.” 
„ 13, for “ enincarnatum,” read “ eu-incarnatum.” 
„ 15, for “ Tm.,” read “ Ser.” 
„ 21, for “ thyrssidens,” read “ thyrsoideus.” 
„ 28, for “ Exholtzia,” read “ Escholtzia.” 
„ 33, for “L’Ancrene,” read “L’Ancresse.” 
,, 9, for “ parrifolius,” read “ porrifohus.” 
„ 16, for “ Imila,” read “ Inula.” 
„ 17, dele “ the.” 
„ 32, for “ Bonley,” read “ Bouley.” 
„ 3, for “ vernation,” read “venation.” 
„ 14 & 31, for “ L’Ancrene,” read “ L’Ancresse.” 
