cxlviii 



OBSERVATIONS. 



B. OBSERVATIONS OF MARS I, WITH THE WASHINGTON EQUATORIAL. 







The following corrections and changes have been made in the series of Washington observa- 

 tions as given in this volume : 



Page 351, November 2, Nos. 4, 5. This comparison is excluded. 



352, < ' 4, No. 38, for Mars N. F. read Mars N. 



353, Remarks. There is no reference to indicate the comparison alluded to. 

 359, November 24, No. 29, Mean of wires, for 4A.55m.29s.OO read 4A.56m.29s.OO. 

 359, Eemarks. Nos. 15 and 19 are included in the mean of the declinations. 

 361, " 26, No. 74, for 1.795 read 1.792. 



363, December 6, " 17, " 4A.10m.38. 10 read 4h.10m.37s. 10. 



" 27, " 2 23. 503 read 2 33.503. 



364, Comparisons Nos. 56 to 70 are excluded, as evidently containing some source of error not detected. 



364, December 6, No. 68, for 2 37.498 read 2 27. 498. 



365, " 11, MarsN. P., for 6 read 5. 



366, ' ' 12, No. 27, for 3. 398 read 3. 388. 



368, ' ' 17, Comparison No. 60 is excluded from the mean. 



369, ' ' 27, Nos. 16, 17, 20, for 1. 080, 2. 061, 2. 074 read 1. 088, 2. 060, 2. 064. 

 371, '' 31, Comparison No. 21 is excluded from the mean. 



373, January 5, No. 26, for 8. 609 read 8. 069. 



Comparison No. 33 is excluded from the mean. 



The results of this series of observations will then be as follows, so far as they pertain to the 

 measurements of declinations : 



Washington Observations of Mars during the opposition of 1849-50. 



