er ee 
CU OEEE a eR NE ee Scr Se ae MT ee Ae ee TE EN I te ree pe eee PTO e ee ee tee ee ee 
Physics and Chemistry. 123 
chromosphere showed that the whole adjacent limb was covered 
with prominences of various heights blended together. These 
of the sp C nd the‘line near D were very bri he 
sun itself. In the prominences C an were strangely irregular, 
and the magnesium lines were seen far above the spec 
limb. r. Lockyer infers that a portion of the upper layer of the 
photosphere had been lifted up beyond the usual limits of the ¢ 
mosphere, The vapor of sodium was also present in the chromo- 
sphere, in which Mr. Lockyer also for the first time saw the iron 
lines.—Proc. Royal Society, xvii, 350, 415. 
almost uninterrupted spectrum in this case is extremely thin. Sec- 
chi estimates its angular thickness as hardly two or three seconds. 
The observation stands in great need of confirmation by other ob- 
servers.— Comptes Rendus, \xviii, 580. "We G 
We are indebted to Prof. Winlock for the following interesting 
notices :— 
The light of the beautiful Aurora of the evening of April 15th, 
examined with the spectroscope, gave five bright lines correspond- 
ing in position to the following lines of Mr. Huggins’ scale :— 
1280 (brightest.) 
1400 
1550 
1680 near F, 
2640 near G, 
On the evening of June 6th, the same lines were again observed, 
the brightest corresponding to 1280 of Mr. Huggins’ scale. These 
lines could readily be seen and measured with an ordinary chemi- 
cal spectroscope, with the collimator pointed directly to the hea- 
vens 
of Mr. Huggins’ scale. 
the fourth hydrogen line first identified by Angstrom. 
e spectrum of Winnecke’ 
telescope of 4 inches aperture. oe W. G. 
3. On a new alkaloid isomeric with toluidine.—Previous to 
1863 it was ws Hg that the epson: of rosaniline required 
in th a 
mixture, the yield of coloring matter would be incr lL Cor 
pier by carefully fractionating, obtained benzol and toluol pure ; 
