A12 - Scientific Intelligence. 
SCIENTIFIC INTELLIGENCE. 
].. CHEMISTRY AND Puysics. 
of phenyl when boiled. with it under atmospheric pressure, but when 
heated to 150°-170° i 
: n 
regarded as aldehyds, &c., are in reality ethers, and have twice the 
equivalent usually attributed to them, the authors point to the fact that 
Ettling’s Parasalicyl is a compound of anhydrous benzoic and anhy- 
drous salicylous acids, and further that oil of bitter almonds and cuminol 
are both ethers and not aldehyds, since the former yields with an alco- 
holic solution of potash, benzoic acid and benzoic alcohol ; the latter 
cuminic acid and cuminic aleohol.—Ann. der Chemie und Pharmacie, 
ac, 
2. Researches on different questions in Organic Chemistry.—STRECKER 
has communicated to the Academy of Sciences in Paris a memoir with 
this title, containing the solution of several important questions. . 
shall give the principle results of these investigations under separate 
captions. Wee 
Composition of tannic acid.—Strecker finds that pure tannic acid 1s 
; oa by the hk Cs4H220sa, and that in this os” 3 eqs: 
ot water are basic, so that the anhydrous acid is C54H19031- 
lead salts of tannic acid contain from 3 to 10 eqs. of. oxyd of lead: 
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