of their description; and the same is true in a like comparison 
of all orbits of meteors at one and the same distance from and 
around the axis Ks, whatever the plane passing through E's in 
if the earth is considered a 
tn relation to the axis Es alike and equally on every side; and, 
relatively to that axis, take effect directly away from it, and in the 
tions and consequent diversities of radiant positions in the celes- 
Nal sphere are considerable enough, in the instance of the 
8, 266 miles per second, as determined from the observations of 
Mr. Marsh, Mr. Herrick, and myself, by Prof. H. A. Newton,— 
ne let p be the perpendicular distance from E to mm. Then 
7 'Sthe area described by the meteor’s radius vector ina unit 
°F second of time. Also the area described in the same unit by 
Y revolving, at the distance p, in a circle may be called 
- 2vp, the value of @ being 15452. ‘Then the latus rectum of 
the orbit (hyperbolie in form) will be expressed by the formula 
Lf Let z be the distance of the apsis from EH, and the 
city at the apsis will be (v? +/+) 4, in which f has the value 
ae 
BE Jour. Sct.—Sxcoxp Sunres, Vor, XXXUI, No. 98—Mancu, 1982. 
