Miscellaneous Intelligence. 327 
the 
the solar system'since they depend on the condition of the sun. 
5. The Obdject-glass of the Equatoreal of the Allegheny Observa- 
glary, of a kind hitherto nearly unprecedented. It was entered at 
night, after the Director and his assistant had left the building, 
and the object-glass of the equatoreal v 3 inches in aperture), was 
Temoved from the telescope and carried away. No other injury 
was done, and, except some eye-pieces belonging to the transit, 
nothing else was taken, ~ 
I have reason to believe that the thieves hoped to extort a large 
teward for the return of the glass, which is of course otherwise 
valueless to them. 
onsidering that most of the observatories of the country 
fehl sufferers by similar spoliation, if a preceden 
it worth while for burgla 
tle guarded instruments should be warned of a danger, I shall be 
obliged by your giving publicity to this letter. : 
6, um to Prof. Kirkwood’s Article on page 225 of this 
volume.—The fraction zz, should have been printed yz4;.5- 
IV. Miscentnangous Screntiric INTELLIGENCE. 
1. Meeting of the American Association for the Advancement 
u Science, at Dubuque, Iowa.—The standing committee having 
iled in their efforts to make satisfactory arrangements for the 
Meeting of the Association in San Francisco, accepte 
tion of the citizens of Dubuque, and convened in the latter city on 
the 21st of August, Prof. Asa Gray in the chair. After the 
* 
G 
est, he yielded the chair to his successor, Prof. J. Lawrence Smith. 
The fol owing business was transacted in general session, 
f. Benjamin Peirce was added to the committee appointed 
at the Indianapolis mee ting t iali the Gener al Government 
™ regard to establishing an observatory at some suitable point 
Upon the Rocky Mountains. 
