158 
MISCELLANY. 
series, as salicylous acid, salicylic acid and nitrosalicylic acid (indigotic 
acid or anilic acid), under the influence of hydrochloric acid and chlorate 
of potash, decompose and yield chloranil. 
Benzoic acid, although identical in composition with salicylous acid, 
does not yield chloranil; nor do nitrobenzoic acid, benzine, nitrobenzide, 
binitrobenzide or hydruret of benzyle. 
Salicine (the basis of the salicyle series), being soluble in water, 
seems to be the fittest substance for yielding large quantities of chloranil. 
Salicine and chlorate of potash must be dissolved in boiling water, and 
small quantities of hydrochloric acid added at intervals; one of the re- 
sults of the ensuing decomposition is chloranil. 
In conclusion, Dr. Hofrnann calls the attention of chemists to the 
chlorate of potash as an oxidizing agent applicable to organic chemistry ; 
he has heated qainnne with it and hydrochloric acid, and found it readily 
convertible into chloranil. Dr. Hofrnann proposes to pursue the subject, 
and to trace the relations of quinone and aniline. — Ibid. 
On some Specimens of the Green Glass of Commerce, By Robert 
Warington, Esq.— The principal subject of this communication was a 
green glass which has lately appeared as an article of commerce, in the 
form of wine bottles. These are offered to the consumer, the wine 
merchant, at a lower price, and with the tempting recommendation that 
they will cause port wine to deposit its crust 6ooner and firmer than the 
bottles usually employed. On examination, this property was found to 
arise from an excess of lime having been used in its manufacture, which 
had rendered the glass, to a certain extent, soluble in weak acids. — 
Dilute sulphuric acid acted to such an extent as to form a crystalline 
deposit of sulphate of lime in the interior, of a quarter of an inch in 
thickness, and this, in its crystallization, had burst the bottles in all 
directions. — Ibid. 
Arseniate of Quinine. — M. Bourieres, has lately made known 
a new salt, the arseniate of quinine, which he proposes to substitute for 
arsenious acid, the latter being threatened with final proscription, on 
account of the dangers which may result from its use. He obtained 
this salt directly by treating pure quinine with arsenic acid. This latter 
body being more soluble in water, and producing more neutral salts 
than arsenious acid, and which are better crystallized, he has given it 
the preference. M. Bourieres hopes that this new compound will pos- 
sess the well-proved efficacy of arsenic in obstinate intermittent fevers, 
presenting the advantage of being exclusively reserved for medical use, 
which will prevent all danger. Without pretending that the small 
quantity of quinine which enters into combination in the arseniate of 
