ot 
292 Miscellaneous Intelligence. 
the mercury may be boiled easily without danger of breaking. Barom- 4 
eters may consequently be made of water or other liquids in the same :. 
way, since metal tubes may be made of any length. 
On the Telescopic Stereoscope; by James Exxiot, (Philosophical 
Magazine and Journal, Jan., 1857.)—I have recently succeeded in con- 
structing what I believe to be a new form of the stereoscope. Its object 
is to unite darge binocular photographic pictures in a different way from 
any that has hitherto been followed. 
The pictures are placed side by side, and viewed through two small 
telescopes, like those of opera-glasses, with the directions of their axes 
crossing each other; the left-hand picture being viewed with the right 
eye, and the right-hand picture with the left eye. The two telescopes | 
are connected together, the connecting apparatus being capable of twe ; 
ustments; one to suit the width of the eyes, and the other to give ‘ 
| 
4 
m 
effect is excellent. : 
8. Amos Binney’s “ Terrestrial Mollusks and Shells of the United 
Siates.”—Mr. W. G. Brynzy, (son of the late Dr. Amos Binney, who 
died after having published two volumes of his admirable work on the 
United States land Mollusks,) announces that he is engaged in preparing 
a continuation of the work of his father, and solicits assistance by way 
of land shells and information relating to the subject, with any addenda 
or corrigenda to the volumes published. We trust that Mr. Binney 
may be liberally aided in his undertaking. He resides at Germantown, 
near Philadelphia. : STD 
9. Mastodon—A portion of a jaw has been found near Columbia, 1 _ 
California—Proc. California Acad. Nat. Sei. i, 27. 
a : 
ade with great facility; and when the pictures are united, the 
death of Wiitram C. Reprretp, of New York. After an illness of about 
Mr. Redfield was a man whom, through a long course of years, we had 
honored as a philosopher, and loved as a friend. He was born.at Mid- 
dietown in this State, and with very limited advantages of early educa- 
tion, he rose from a humble position, and earned for himself a high ran 
among men of science. In early manhood he removed to New York City, 
. 
ve special attention to 
. 
_ ing he did not con 
