1886, ] Scientific News. PCT 
ashore, A very interesting invention for recording the number 
of days, etc., is that of bending back a strip of bamboo until the 
requisite number of cracks were made on the surface. The coast 
people chew the betel until the teeth become coated with a thick, 
hard mass, protruding from the gums so as to make it impossible 
for the lips to meet. 
The Shom Peir boil their food in pots or sacks made of bark 
from three varieties of trees.—ZE. H. Man, J. Anthrop. Inst., xv, 
428-451. 
:0:— 
SCIENTIFIC NEWS? 
—As we have been asked for the best cement for use in making 
aquaria, we extract from the English Mechanic the following re- 
ceipt: “This glue is employed where the materials are exposed 
to the influence of wet. It cements not only wood, but glass and 
metals. It is made by dissolving, by heat, one part of pure india- 
rubber in naphtha, the india-rubber being cut very small. When 
hile hot, it is poured on metal plates to cool. Before using, it 
 Tequires to be liquefied by heat, and quickly applied with a brush, 
as it soon hardens,” 
—The first number of a new German fortnightly journal of : 
anatomy, entitled Anatomischer Anzeiger, Centralblatt für die ge- ` 
sammie wissenschaftliche Anatomie, appeared June 1st, 1886. It is 
edited by Professor Karl Bardeleben, of Jena, and is published by 
ustav Fischer. Besides short articles and abstracts of longer 
ones, it gives the titles of new papers and works on anatomy with 
A alogical notes and personal news. The price for 1886 is six 
S. 
—Professor H. Fol and E. Sarasin read a paper before the 
French Academy of Sciences, May 3d, on the penetration of light 
O deep sea-water. From their experiments, reports Nature, it. 
“Ppears that layers at a depth of 300 meters are illumined every 
day for the whole time that the sun remains above the horizon. 
350 meters light penetrates for at least eight hours daily. 
Even after Sunset the actinic rays seem to reach considerable 
-A late number of the Jzvestia, of the Russian Geographics" 
ety, contains a letter from M. Prjevalsky, dated Lob-na, Jan- 
"y 29th, 1885, in which he announces the discovery, in the 
vicinity of Has, of a new species of sheep, which he calls Ovis 
neei i Lob-nor he was to spend the month of February 
| =“Udying the migrations of birds. 
eS ve 
F 
di Hosea BALLOU, 265 Broadway, N. Y. 
