( 609 ) 
occultation had taken place at a point considerably elevated above 
the rest of the limb. In the following lines we will only communicate 
the results of those observations which have been retained. 
We remark that the weights G, which have been added, were 
taken equal to sin? w, 2w being the arc, of which the star would 
describe the chord behind the disk of the moon, were this disk at rest; 
(according to the notation of Crauverer this would become cos* w). 
This quantity could be easily derived from the numbers occurring 
in the computation. 
The calculations have been all made in duplicate ; the first by 
myself, the other by Mr. Kress, amanuensis at the observatory of 
Utrecht. 
We thus find: 
Taking disappearances and reappearances together : 
Correction to GurMarn’s longitude : — 05,92 + 03,99 (m. err.) 
Treating them separately : 0 IAEA AO se) 
We thus come to the conclusion that the oecultations observed by 
us leave undeeided whether the longitude of St. Denis, according 
to the determination of GerMAIN in 1867 and 1868, must be increased 
or diminished; in other words they confirm his result. 
Only one of these days I noticed, that since 1886 the Connatssance 
des Temps gives a longitude for that place, which is larger by 152 
or 18"; in the last column of the table of the geographical positions 
ee ee Ghee Newcomb. N. — Merid. 
= 7 = 7 : 7 
Sept. 49, | 0.52 | —4.3 ORDEN EE: 40.43 | +4.6 
3 221/, —0.51 1.9 =i | eee +0.02 —0.5 
295/,, | —0.54 oad MAES EG 40.02 | —0.5 
LEN NDE SE, 0:70 |) 5:8 40.03 | + 
Octs 21cm — 0.794 “| EAT —0.95 | 40.6 DA it APA 
MY), | —0.75 0.0 TT |e 200 —0.02 | 42.9 
Gt SE OR NEEN —0.12 | +445 
Wy Ah OS oad = 0:46 Oe 03) |) Foes 
ASU ee On Soe A2 EIN ID LK 
19 OREN 25 Oe Warn S50) We 
s Li 
Mean: —0.03 +1.3 
