270 ADDITIOirS TO LIBEART. 



Sydney : — Progress Eeports of the Sydney Sewage and Health Board. 



Parts 1 to 11. 

 Beport on Sydney and Suburban Water Supply. 1 and 2. 

 An Act for preventing Nuisances, 39 Yic, 14. 

 Do. do. do. No. 7. 



Professor Pell, CTiairraan of the Sewage and HeaWi Board. 

 The Blue Book, 1875. — The Goveimment Printer. 

 Annual BejDort of the Department of Mines, New South Wales, 



for the year 1875. — The Hon. the Minister for Mines. 

 Grovernment Observatory — Eeport of Astronomer, 1874-75. — The 



Observatory. 

 Kesults of Meteorological Observations made in New South Wales 



during 1874. — The Observatory. 

 Proceedings of the Linnean Society of New South Wales. Yol. 1, 



Part 1, and Part 2 ; mth Plates.— TAe Society. 

 WASniKGTO>' : — Meteorological Observations dmmig the year 1872, in 



Utah, Idaho, and Montana. — The Smithsonian Institution. 

 Daily Bulletin of Weather Reports for the Month of March, 1873. — 



Office of the Chief Signal Officer. 

 Reports of Observations of the Total Ec]ij)se of the Sun ; with 



Plates. 

 Determination of the Astronomical Latitude of a Station by means 



of the Zenith Telescope. 

 Determination of the Astronomical Azimuth of a Direction. 

 Report on the Results f I'om the Observations made at the Magnetical 



Observatory on Capitol Hill. 

 The Star Factors — A.B.C., for reducing Transit Observations, 1874. 

 On the use of the Zenith Telescope for Observations of Time. 

 Notes on Measurements of Terrestrial Magnetism. 

 United States Coast Survey Catalogue of Charts, 1875. 

 Report of the Superintendent of the United States Coast Survey for 



1871. 

 United States Coast Survey Report, 1868. Appendix, No. 10. 

 Do. do. do. 1869. Appendix, 13. 



Do. do. do. 1870. Appendix, 11, 12,13, 16 



19, and 21. 

 Do. do. do. 1871. Appendix, 8, 9, 11, 15, 



16, and 17. 

 Do. do. do. 1872. Appendix, 12. 



Do. do. do. 1873. A^Dpendix, 12, 13, 14, 



and 22. 

 On the use of Railways for Greodetie Surveys. 

 Sj)ecial Survey of the Harbom' of Province Town, in the State of 



Massachusetts. 

 Report on the Tides and Currents of Hell Grate, one of the entrances 



to New York Harboiu*. 

 Scientific Lectiue on Tides and Tidal Action in Harbours. 

 Field Catalogue of 983 Transit Stars. 

 United States Coast Siu'vey Projection Tables. 

 Eeport on Mt. St. Ehas. 



A Treatise on the Plane Table, and its use in Topographical Sur- 

 veying. 

 On the Reclamation of Tide Sands and its relation to Navigation. 

 Memoranda relating to the Field Work of the Secondary Triangu- 

 la tion. 

 Reports concerning Martha's Yineyard and Nantucket. 

 Cape Cod Ship Canal Report. 



