Reviews.

"Dimensions of the Fixed Stars, with especial reference to Binaries and Variables of the Algol type," by Edward C. Pickering. - "Report to the Trustees of the James Lick Trust, of Observations on Mount Hamilton, with reference to the location of Lick Observatory," by S. W. Burnham. - "Preliminary Account of a Speculative and Practical Search for a trans-Neptunian Planet," by D. P. Todd. - "Thirty-fifth Annual Report of the Directors of the Astronomical Observatory of Harvard College."