The sixth of a series on the expedition by HMS 'Himalaya' to observe the total solar eclipse in Spain on 18 July 1860. The papers include accounts of observations made at various stations in Northern Spain by R. Parkin; R. Reynolds; J.R. Roberts; Baron de Rottenburg, with watercolours; J. Rubenach; F. Simon; H. le Small; J. Stonglein; the Revd R.A. Thompson, in 'The Church Times'; J. Thompson, with watercolours; F.M. Weedon, with two watercolours and a diagram; C. Weiler, with two sets of observations; C.D.E. Weyer, with two sets of observations and a paper written in German; J.M. Wilson, with drawings; A. Winnecke; R. Winder; W. Wray; and J. Wright. There are papers on the eclipse by G. Rümker, in German; P.A. Secchi, in Italian, with illustrations; and O. Struve, in English and German, with accompanying illustrations. There is also a chart by Messrs Richards and Parkin showing the effects of the eclipse on temperature and photographic paper at Puget Sound, U.S.A., and a sea chart of the area, also supplied by them.