284 Miscellaneous Intelligence. 
6. Lighting Power for Buoys. Premium Jor the year 1871 of- 
Jered by the Netherland Society for the Promotion of Industry.— 
One of the greatest impediments to navigation is darkness in buoy- 
ed waters. it were possible to develop a lighting power in the 
buoys, this difficulty would be greatly diminished, to the advan- 
tage of navigation. : 
The Society offers, therefore, her gold medal (representing a 
value of hundred fifty florins, Neth. Cy.) and an award of three 
hundred florins for the most practical means of investing buoys 
. The 
ate address, in case of eventual correspondence. 
__ 8. The answers and any other accompanying writing must not 
be in the competitor’s own hand. : 
4. The successful answer becomes the property of the Society, 
which reserves to itself the right of publication. 
5. The Society takes no responsibility for eventual damage to 
models or instruments, illustrative of the answers, and reserves to 
itself the right of not returning them to the competitors. 
nswers are requested post paid before the 30th of Septem- 
ber, 1871, to the address of the General Secretary and Treasurer of 
the Society, F. W. Van Expen, Haarlem, the Netherlands. : 
7. Academy of Sciences, Paris.—Mr. A. DesCLomzEavx, the dis- 
searches in connection with crystals have done so much to ad- 
Rey. Grorex Jonzs, U. 8. N.—On the 22d of J anuary, 1870, at 
the Naval Asylum, in Philadelphia, died Rev. George J ones, long 
i United States Navy as a Professor and a Chap- 
‘pos 
to the hlieoes 97 his researches upoR 
menon. A summary, by himself, of his goss 
1 Ecuador was publi l, with three plates, in vol. aa 
ral, 1857, p- 374; but the great mass of data then Co 
