444 Scientific Intelligence. 
The expressions for the codrdinates referred to the equator are the 
following : 
e—=r(9°999712) sin (135° 31’ 25'-0-+-2) 
y—=r(9'974897) sin( 44 47 45 *5+2) 
z—=r(9°521645) ine 51 25 55 — 
gt planet shines like a star of the 10th magni 
2. vations in Brussels of the Meteors of ee 1863; by Mr. 
Eanes anna Quetelet, on i evening of Aug. 7th, saw nine shooting 
stars between 10% 10m and 114 10™, On the 8th in about an hour from 
10h 6™ he saw 17. On the ee rep shia alone as before, from 94 to 
10h he saw 23, and from 105 to 114, 33 meteors. He registered upon a 
chart the paths, and could not command more than one-third of the sky. 
He estimated the numbers visible for the two hours at 70 and 100. From 
114 to 124 his son and Mr. Hooreman saw 112 and estimated the number 
visible at 180. On the 11th Mr. Quetelet saw 11 between 1044 and 115, 
3. . ALEX. 8. 
England,—Mr. Alex. 8. Herschel, son of Sir John Herschel, in a letter 
to Mr. Quetelet, published in the Bulletin of the Royal Belgian age 
gives the following altitudes and velocities of five meteors “of the A 
stream observed on the evening of Jaa 10th, 1863. The second whos 
of the table below gives the hour of observation, the third the duration 
of flight in seconds, the fourth thie altitude at first appearance, the fift 
the altitude at disappearance, and sixth the velocity. The unit of 
altitude and velocity is the English 
Altitudes and velocities of shooting stars observed Aug. 10th, 1863, in England. 
No. Time. Duration. , Ist Alt. ) 2d alt. ) Velocity. 
1 gh 23m 3 5 35 
2 363m 18-7 114 73 36 
8 10h 74m 1s-2 131 66 15 
4 11m 15-4 105 52 41 
5 19m "9 58 38 
The altitude and tibia 3 of No. 3 Mr. Herschel considers as too great. 
The path and duration of No. 5 were very carefully noted, and he thinks 
the’ velocity of 38 oie is very near the truth. Two flights, No. 1, and 
No. 4, were observed at three places. 
These velocities imply a less inclination of the August ring (motion 
meeernde} than that given in this Journal, 2d ser., vol. xxxii, p. 448. 
Mr. Herschel gives also the altitudes of four other meteors as follows: 
Aug. 8th, 10h-58™ — Ist alt. 153 miles, 2d alt. 61 miles. 
9th, 12h * - 60.3452 f 
2 10th, 19h jm “ 52 (t * a5 2 
“ Alt, 12h lope. & 192 4 “ 86 a 
The — and fourth were brilliant fireballs from which ge ms 
a 
