Chemistry and Physics. 415 
violet than a second observation at 2h. 34m. P. M., with the sun 
11° 14’ high; though the former of these two spectra extended 
nearly as far into the violet as the spectrum of the 7th of October 
olors 
apparatus.— Ber. Berl. Chem. Ges., vii, 88, Feb., 1874. 4. F. B. 
2. On Platewws Glycerie liquid, and some new Film experiments 
20° (17°1 B.); and heated to the temperature of boiling water to 
Stroy the germs and spores it may contain. to 10 
diluted g1 cerin, 25 ¢.c. of the alcoholic soap solution 18 secant and 
water. It is filtered through a plug of cotton 
nel. With the clear liquid thus made, a bu b 
diameter is used, which is mounted vertically on a stan : a 
be covered with a bell-glass, A portion of the liquid being pour 
d on removal 
* A liquid easier to prepare, but not giving as thin films, is made as follows: 
ran dry Marseilles Pats is dissolved in 100 grams warm water; this is ve wel 
to every 100 c.c, of the solution, 40 grams white sugar is added. 
made with this liquid will last several hours. 
