New Publications. 377 



If a bit of fugar be rubbed againft a piece of orange or 

 lemon-peel, it will imbibe the volatile oil, and form an oleo- 

 saccharum, foluble in water, and exceedingly proper for ren- 

 dering certain liquors aromatic, 



[To be continued.] 



Mr. Blair, of the Lock Hofpital and Finfbury Difpen* 

 fary, affifted bv feveral other refpeclable furgeons, has been 

 fome time engaged in writing a comprehenfive SyJIem of me- 

 dical and operative Surgery, adapted to the prefent improved 

 practice at the London Hofpitals, &c. 



Mr. William Henry, of Manchefter, has in the prefs, 

 and in coniiderable forwardnefs, a fmall work, intended, 

 partly, to facilitate the acquirement of chemical knowledge, 

 to perfons entering on the ftudy, without the benefit of an 

 instructor; and, partly, as a pocket companion, for the ufe 

 of more advanced ftudents. The firft part will contain di- 

 rections refpeeting the beft mode of ftudying chemiitrv; 

 and alfo, an arranged feries of experiments, neceflary to be 

 performed by thofe who intend to become acquainted, by 

 actual obfervation, with the chemical properties and habi- 

 tudes of bodies. More minute directions will be given, for 

 conducting thefe experiments with fuccefs, than are to be 

 found in other elementary books. The fecond part will 

 comprife fummary inftructions refpeeting the analyfis of 

 mineral waters, and of mineral bodies in general : and the 

 third part will point out fome of the ufeful applications of 

 chemical agents, in detecting adulterations, in difcovering 

 poifons, &c. The work will form one fmall pocket volume; 

 and it may be proper to obferve, that it will not at all inter- 

 fere with the excellent little manual, lately publifhed by Mr. 

 Parkinfon, the plan and objects of which are perfectly dif- 

 ferent. 



INTEL- 



