398 Miscellanies. 
PART Il. 
Agriculture.—George Aikin, Esq. on Improvements in the Culture 
of the Cambridgeshire Fens; W. Buchanan, Esq. on Cultivation of 
Potatoes. 
Fine Aris.—Mr. R. W. Billings on Analysis of the East Window 
of Carlisle Cathedral; Mr. R. Redman on Transfers from Copper- 
plate to Zinc or Stone. 
Chemistry.—Mr. J. T. Cooper on Preparation of Photogenic Pa- 
per; Mr. J. Marsh on new Test-liquor for Acids and Alkalies. 
Colonies and Trade.—On Tea from Assam; on Bengal Silk; on 
Jungle Silk. 
Manufactures.—Messrs. C. Hanchard, James Cole, J. Sodo on 
Improvements in weaving Wide Velvet; Mr. J. Dove on a Loom for 
weaving Silk Tissue. 
Mechanics.—Mr. Jos. Jeay on Diagrams for finding the Lengths 
and Bevels of the Rafters in a Hip-roof; Mr. J. C. Bowles on raising 
Empty Casks; on a Putlog for Builders’ Scaffolds; Mr. Benjamin 
Holmes on a Bolt-plate; Mr. W. Jones ona Travelling Platform; 
Mr. C. H. Page on Lettering Marble; Mr. M. Jennings on Night 
Signals for River Steamers; Mr. W. H. Thornthwaite on an Appara- 
tus for Divers; Mr. James Hopkins on a Safety Scale-lever; Mr. J. 
Gray on Instruments for Extracting Teeth; Mr. J. L. Fenner ona 
Cupping-glass; Mr. A. Wivell on a Fire-escape; Captain J. Cookes- 
ley on a Raft. 
Illustrations.—Mr. Andrew Ross on the Achromatic Telescope, 
(Part I. and If. ); the Secretary on Horn and Tortoiseshell ; on Bone - 
and its Uses in the Arts; on Horn, Tortoiseshell, and Bone; Pres- 
ents; Catalogue of the Models, ercmnaes, &e. 
25. A System of Practical Medicine, arranged and edited by Alez- 
ander Tweedie, M. D., republished by Lea and Blanchard, R. 8vo. 
Philadelphia. Volume on Fevers and Diseases of the Skin. 1840. 
pp- 561.—This volume is one of a series of Medical Treatises, by vari- 
ous living authors, and edited by Dr. Tweedie. Each volume is, 
however, complete in itself, and is sold separately. The contents of 
the present are as follows :—Introduction, by Dr. J. A. Symonds ; 
Inflammation, by Dr. W. P. Allison; Fevers and Hectic Fever, by 
Dr. R. Christison ; Plague, Intermitient Fever, Remittent Fever, 
and Yellow Fever, by Dr. Thos. Shapter; Infantile Gastric Re- 
mittent Fever, and Puerperal Fevers, by Dr. Chas. Locock ; Smail 
Fox, by Dr. Geo. Gregory; Measles and Scarlatina, by Dr. Geo 
= vi merece of the Skin, by Dr. H. E. Schedel. 
