clixvi 



OB8EKVAT10V-. 



A. OBSERVATIONS OF VENUS I. WITH THE SANTIAGO EQUATORIAL. 

 The following changes have been made from the printed observations : 



Page 222, October 22. Remark g. All the observations from K. 57, inclusive, are assumed to be recorded 1 rer. too 



20, 



223, 

 228-9, 



233-4, November 2, 



-'41. " 13, 



244-5, 15, 



261-2, January 14, 



264, " 10, 

 24, 



great ; not the other* too gmall, as printed. 

 23, N. 34, Micr. for 20r. 37 read 20r. 78. 



The sign of A<! should lie negative. 

 " " " positive. 



22, Mlcr. for 4r. 16 read 4r. 45. 



The names of the objects are transposed. 



The sign of i should be positive. 

 14, A<! for 0. 8J nod 0.78}. 



Remarks/or corrected diameter 38". 00 read 37". 93 



And for the results to bo adopted and employed, the corrections and modifications are these : 



for 12r. 004 = 3' 53". 96 read 12r. 14* = 3' 56". 61. 

 " 6.615 " 6.614. 



8. 844 = 2' 52 '. 37 " 8. 846 = 2' 52". 41. 

 The sign of A<! should be negative. 



' " positive. 



for llr. 683 =3' 47". 72 read llr. 689 = 3' 47". 82. 

 " 2' 25". 29 " 2' 25". 30. 



6r. 238 = 2' 1'. 58 " 6r. 246 = 2' 1". 76. 



The names of the objects are transposed, and the signs of Aa and Ad become positive. 

 for eleven, read twelve. 



" 4' 26". 03 " 4' 25". 03. 



4 40 . 14 " 4 45 . 14. 



" 2 42 . 10 " 2 41 .73. 



" 6 12 . 60 " 6 11 .60. 



The sign of Ad should be positive. 

 for 2' 34". 20 read 2' 34". 24. 



5r. 045 =: 1' 38". 33 " 4r. 992 = 1' 37". 28. 

 5.379 = 144 .84 " 5 . 375 = 1 44 .76. 

 1, 2, The sign of A<! should be positive. 



1 for lr.834 read Ir. 835. 



2 " ISA. 46. 19.77 " ISA. 41m. 19. 77. 

 4 " 13 45 28.11 " 13 40 28.11. 



We thus obtain our table of observations in the same form as the previous ones for Mars. 



