ASTRONOMICAL OBSERVATIONS. 263 
Micrometer mea- Difference in 
1786, ie of Z. D. min, & feco. 
On Meridian. d. 
March 19th. Gem. 7 16 372 ip 36 
New Planet 7 22 477 24 8% 
Diff. 9 20% = 30 24 
zit. Gem. 7 8 46 5 18 
New Planet 7 14 53 T4372 
Diff. 9 19% == +/30.18 
23d. > Gem. ae IG) Sing 3 287 
New Planet 7 7 1 12 47 
Diff. 9 18% = 30 15 
24th, Gem. 6 56 59 8 143 
New Planet © 7°" "3 56 17 34 
Diff. 9g 19k == 40) LO 
25th. Gem. (FINE ak ae 
New Planet 6 -59 16 
27th. Gem. @ an 18 8 13+ 
New Planet 6 51 18 17 31 
t Diff. 9 17% eR) 
April 2d. > Gem. 6 21 (36 
New Planet 6 27 53 
N. B. In thefe obfervations the declination of the New Planet was con- 
flantly greater than that of )Geminorum, but lefs than y 
N° XXXV. 
A Letter fron Mr. OTTO, to Dr. FRANKLIN, with a 
Memoir on the Difcovery of America. 
New-York, rft April, 1786. 
SIR, 
Read Apr. LMOST all the authors who have written 
Me upon the difcovery of America, make men- 
tion of fome information which Chriftopher Columbus 
procured at Madeira, upon the exiftence of a weftern con- 
tinent; but they do not tell us, pofitively, how far this in- 
Ll 2 formation 
