468 
Proceedings of the Eoyal Society 
Washington. — Ninth Census of the United States. Statistics of the 
Population.— Statistics of Wealth and Industry. 3 vols. 
4to. 1872. — From the United States Government. 
Medical Essays compiled from Reports to the Bureau of Medi- 
cine and Surgery, by Medical Officers of the U.S. Navy. 
8vo. 1872. — From the United States Government. 
The Practical Use of Meteorological Reports and Weather 
Maps. 8 vo. 1871. — From the United States Government. 
Tables and Formulae useful in Surveying, Geodesy, and 
Practical Astronomy, including Projection of Maps. 8vo. 
1873 . — From the United States Government. 
Directions for Water Level and Meteorological Observations, 
and the Registry of Periodical Phenomena. 8vo. 1871. 
— From the United States Government. 
Reports of Explorations in 1869-72 of Colorado River of the 
West and its Tributaries, by Professor J. W. Powell. 
8vo. — From the United States Government. 
Reports of Explorations and Surveys to ascertain the Prac- 
ticability of a Ship Canal between the Atlantic and Pacific 
Oceans by the way of Tehuantepec. 4to. 1872. — From 
Sir Charles Hartley. 
Report on the Difference of Longitude between Washington 
and Ogden, Utah, by J. R. Eastman. 4to. 1876. — From 
the U.S. Observatory. 
Papers relating to the Transit of Venus in 1874, prepared 
under the direction of the Commission authorised by Con- 
gress. Part 2. 4to. — From the U.S. Naval Observatory. 
Investigation of Corrections to Hansen’s Tables of the Moon ; 
with Tables of their application. 4to. 1876. — From the 
U.S. Observatory. 
Besides the donations above mentioned, the Society has 
received from the United States Government many im- 
portant works, comprising Journals and Reports of Con- 
gress and its Committees, Reports issued by the various 
Departments of the State, and miscellaneous Papers re- 
lating to the civil, military, and naval administration of 
the United States. These works, though too numerous 
to specify here, are duly entered in the General Catalogue 
of the Library. 
