[ 7^9 ] 
Series given, the even powers of x, or any other 
terms whatever, be wanting, their places muft be 
fupplied with cyphers j which, in order the of num- 
bering off, muft be reckoned as real terms. 
CIV. Obfervatio Eclipfis Lima Die 30 julii 
1757. habit a OliJJipone a Joanne Cheva- 
lier, Congregation! s Oratorii Prejbytero , e 
Regia Londinenfi Societate. Communi- 
cated by Jacob de Caftro Sarmiento, M D, 
F , R. S. 
Tubo optico 8 pedum. 
Read Nor. 1 6. TNitium penumbra 
1 Initium dubium eclipfis 
Certo jam incceperat 
Umbra ad mare humorum obfervata 
vitro piano cneruleo — j 
Solo tubo optico obfervata — - 
Vitro flavo obfervata 
Umbra tangit Grimaldum obfervata! 
vitro piano cseruleo 3 
Solo tubo optico — ■ 
Vitro piano flavo 
Totus Grimaldus tegitur obfervatus] 
vitro piano caeruleo J 
Solo tubo optico 
Vitro flavo 
Vol, 50. 5F 
9 
9 
9 
9 
9 
9 
9 
9 
9 
t 
15 
tf 
iS 
22 
24 
23 
34 
31 
O 
31 
29 
31 
48 
31 
20 
31 
50 
3 2 
8 
34 
4 
34 
28 
34 
47 
Umbra 
