OBSERVATIONS AND REPORTS. 221 
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U. 8. Naval Observatory. Astronomical and Meteorological Ob- 
servations. 
Appendices, Vol. 21 (1874). I. Instruments and Publications of the U. S. Naval 
Observatory, 1845-76. 
II. Eeport on the Difference of Longitude between 
"Washington and Ogden, Utah. 
22 (1875). I. Difference of Longitude between the U. S. Naval 
Observatory and the Sayre Observatory of 
Lehigh University. 
II. Eesearches on the Motion of the Moon. Part 1, 
Eeduction of Observations made before 1750. 
III. Chronometer Rates as affected by Change of 
Temperature and other Causes. 
23 (1876). I. A Subject-Index to the Publications of the U. S. 
Naval Observatory, 1845-75. 
Report on Interoceanic Canals and Railroads between the 
Atlantic and Pacific Oceans. By 0. H. Davis. 
8«. Washington, 1867. 
Observations and Discussions on the N'ovember meteors of 
1867. 8o. Washington, 1867. 
Instructions for observing the Total Solar Eclipse of July 
29, 1878. 4°. Washington, 1878. 
Transit of Venus Commission. Papers. Parts 1-3. 
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[Transits of Moon-culminating Stars, observed at Wash- 
ington, July to December, 1840, by Lieut. J. M. Gilliss.] 
MS. Folio. 
[Monthly Means of the bi-hourly Observations of the Mag- 
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the year 1841.] MS. Folio. 
2 preceding in 1 vol. 
Catalogue of the Library. Part 1. Astronomical Biblio- 
graphy. By E. S. Holden. 4«. Washington, 1879. 
Z7. 8. Northern Boundary Commission. Declinations of Fixed Stars. 
By Lewis Boss. 4P. 
Forms Appendix H. 
Z7. 8. Patent Office. Reports of the Commissioners of Patents. 
Arts, Manufactures, and Agriculture, 1850, 1853-71. 
8«. Washington, 1851-72. 
Results of Meteorological Observations made under the 
direction of the United States Patent Office and the Smithsonian 
Institution, from the year 1854 to 1859 inclusive. 
Vol. 1, 2, pt. 1. 4«. Washington, 1861-64. 
War Department. Statistical Report on the Sickness and Mor- 
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4«. Washington, 1856. 
