1824.] New Scientific Books. 237 



emitted the sulphureous odoHr, and its weight was diminished rather 

 more than 21 per cent.; the residue acquired a brown colour ; it wai 

 again presented to the magnet, but nothing was attracted. 

 The composition of this meteoric mass I found to be : 



Sulphur 18-3 



Silex 29-5 



Alumina -t'7 



Lime a trace 



Magnesia 2-t-8 



Chrome 4-0 



Iron H.9 



Nickel 2-3 



98-5 



Loss .... I'D 



100-0 

 (Phil. Mag. Ixiii. 16—19.) 



Article XVII. 

 NEW SCIENTIFIC BOOKS. 



PREPARING FOR PUBLICATION . 



C. Tennant, Esq. has in the press, in 2 vols. 8vo. a Narrative of a 

 Tour through Parts of the Netherlands, Holland, Germany, Switzer- 

 land, Savoy, and France, in the Years 1821, 1822, including a De- 

 scription of the Rhine Voyage in the middle of Autumn, and the Stu- 

 pendous Scenery of the Alps in the depth of Winter. 

 ■ Shortly will be published, by Mr. Benecke, of Lloyd's, a Treatise on 

 the Principles of Indemnity in Marine Insurance, Bottomry, and 

 Respondentia, containing practical Rules for effecting Insurances, and 

 for the Adjustment of all Kinds of Losses and Averages. 



Capt. Parry's Second Voyage of Discovery is nearly ready for pub- 

 lication. 



Thomas Hewson, AB. is about to publish Observations on the His- 

 tory and Treatment of the Ophthalmia accompanying the Secondary 

 Forms of Lues Venerea. 



Moscologia Britannica, containing the Mosses of Great Britain and 

 Ireland, systematically arranged and described; by W.J. Hooker, and 

 Thomas Taylor, MP. is in the press. 



Mr. George Dyer is preparing " The Privileges of the University of 

 Cambridge." 



JUST PUBLISHED. 



A Selection of the Geological Memoirs contained in the Annates des 

 Mines, with a Synoptical Table of Equivalent Formations, in English, 

 French, and German, &c. With 11 Plates. 8vo. 18s. 



