Chemistry and Physics, 308 
of the new and distant companions, the system would stand as 
follows :— 
AandB D=07 + Pe iho 
AB and C 20°52 311°2 
AB and D 30° + 160° + 
The star, D, is very nearly one and a half times the distance 
of C. With a power of 400, my instrument just separates the 
close pair. 
Chicago, March 13th. 
SCIENTIFIC INTELLIGENCE, 
I. CHEMISTRY AND PHysIcs. 
1. On Ethyl Phosphite and the Constitution of Phosphorous 
Acid. —Under the direction of Professor Wislicenus, ZIMMERMANN 
prepared by a modification of Railton’s method, i. e., by acting 
upon sodium ethylate with phosphorous chloride, special precau- 
fr es 
ethyl phosphite agreed with those described by Railton; it was a 
$ 
were evolved, and phosphoric acid, but no triethyl phosphine 
the existence of tribasic phosphorous acid, the normal acid of 
trivalent phosphorus, oak a trihydroxyl derivative.—Liebig’s 
Ann., clxxv, 1, Dec. 30, 1874. G. F. B. 
