CONTENTS. Vll 



Determination of Longitude by Shooting Stars : Ancient Me- 

 teorological Memoranda, 399. — Description of Russell's Pla- 

 netarium, 400. — Abstract of Mr. S. C. Walker's paper on the 

 Periodical Meteors of August and November, 401. — Baro- 

 metric Minima of Feb. 15-20, 1842, 402.— Meteorite of Cha- 

 teau-Renard, 403. 



ERRATA. 



Page 162, 1. 11, for is read are. 



308, 1. 7, for outward read onioard. 

 " bottom line, for parts read posts. 



Vol. 40, p. 352, 1. 27, for Saturday read Friday. 



Vol. 41, p. 155, 1. 24, for hundredths read thousandths., 



