364 Scientific Intelligence. 
misprint in his article. The retarding effect is given in his article in 
angular velocity, and not in absolute velocity as I conceived (though it 
was so given that one might easily make the mistake), e effect of 
the earth on the moon is 5625 times as great, and not 5624 times, as 
printed. My general reasoning, however, as applied to the nebular hy- 
pothesis, is not affected by the error which I made. My error was in 
numbers (I read Prof. F.’s article several years ago when it was pu 
lished) and not in principles. 
Hector, N. Y., March 23d, 1865. 
variable stars in the neighborhood of the Trapezium. 
3. Letra 
Astronomical Society of London, connected with the awarding of the 
Boyp.— 
the Society has taken such a large stride in its path of usefulness, je 
ing to custom, accompanied the announcement by an address, whiel 
‘he address is too long to be reproduced in ertenso, but we give sé An 
extracts from it, reserving our report of the other business done at the 
r. De ue commenced by observing, that ‘when father and te 
have worked zealously together in the same direction, and especially id 
those cases where the son has succeeded to the position created and held 
for a number of years by the father, it is extremely difficult to draw | 
independent career, or the cessation of the momentum imparted to his 
