---- ---- Annual report of the chief signal officer for the year ending June 30, 1891. Washington, 1892. 781pp., 27 charts, 11 pls. 1.25 H.R. ex. doc. no. 1, part 2, v. 4; 52d Cong., 1st sess. APPENDICES. No. 1. Report of the officer in charge of the division of military signaling. 7p. No. 2. Report of the officer in charge of telegraph division. 6pp. No. 3. Report of the officer in charge of the verification of official forecasts. 10pp. No. 4. Report of forecasts of cold waves. 5pp. No. 5. Report of the professor in charge of the river and flood division. 194pp., 1 chart. [This appendix contains "Practical rules for prediction of flood stages of rivers."] No. 6. Report of officer in charge of State weather services. 32pp. No. 7. Report of the officer in charge of the stations division. 24pp. No. 8. Annual report of data division. 24pp., 2 pls. No. 9. Farewell order of the chief signal officer, June 30, 1891. 2pp. No. 10. Report of assistant professor in charge of the instrument division. 44pp., 8 pls., 1 chart. No. 11. Report of bibliographer and librarian. 24pp. [Includes a list of publications of the U.S. Signal Service from 1861 to July 1, 1891.] No. 12. Report of supply and miscellaneous division. 22pp. No. 13. Changes in signal service stations, and annual meteorological summaries for 1890. 101pp. No. 14. Temperature data, 1890, from signal service and voluntary observers. 133pp. No. 15. Precipitation data, 1890, from signal service and voluntary observers. 67pp. No. 16. Dates of the first and last killing frosts for the season 1890-'91. 10pp. No. 17. International pressure and storm charts. By A. W. Greely. 31pp., 25 charts. ---- ---- Charts showing "average monthly cloudiness" in the United States. Prepared under direction of A. W. Greely, chief signal officer. Washington, 1891. 12 charts, folio. ---- ---- Charts showing "isobars, isotherms, and winds" in the United States for each month from January, 1871, to December, 1873. Prepared under direction of A. W. Greely, chief signal officer. Washington, 1891. 36 charts, 4^o. ---- ---- Charts showing the "probability of rainy days," prepared from observations of eighteen years. Prepared under the direction of A. W. Greely, chief signal officer. Washington, 1891. 12 charts, folio. ---- ---- Diurnal fluctuations of atmospheric pressure at twenty-nine selected stations in the United States. By A. W. Greely, chief signal officer. Washington, 1891. v+15pp., 4^o. ---- ---- International monthly charts of mean pressures and wind directions at 7 a. m., Washington mean time, for 1882 and 1883. Prepared under direction of A. W. Greely, chief signal officer. Washington, 1891. 24 charts, folio.