CONTENTS. , r 



OCTOBER, 1807. 



Engravings of the following Objects: 1. Mr. Gough's correct Chamber Barom- 

 i eter : 2.'The Proteus Anguinus : 3 . Tlnee Representations of the Sacro Catino : 



4. Mr. Maher's Blanching Pot: 5. Universal Tide Table: 6. General Table 



of Lunations. 

 A Duplicate of the Plate of the Tide and Lunar Tables is given, that it may be cut 



out and put together, either as it is, or mounted on pasteboard, vrithout rendering 



the Work imperfect. 



I. Description of a correct Chamber Barometer. In a Letter from Jolm Gough, 

 Esq. , . - - - - Page 181 



IL, Observations on the Phytolacca, or American Pokeweed. By Mr. H. Bra- 

 connot. Member of the Academy of Sciences, &c. at Nanci - 185 



III. A Memoir on the Proteus Anguinus. By Baron von Zois - f'gi 



IV. Account of the Antique Vessel, that was preserved at Genoa under the Name 

 of Sacro Catino, and reputed to be an Emerald; with the Report made of it 

 to the French Institute, August 4, 1806. ByMr. Guyton - 19t 



V. On the Cultivation of the'Crambe Maritima of Linnens, or Sea Kale. By- 

 Mr. John Maher, F.H. S. - - ' - loa 



VI. On Grease, and some Medicinal Compounds, of which it is the Basis. By 

 H. A. Vogel, Chemical Operator in the Pharmaceutic School at Paris.— 

 Abridged by Bouillon Lagrange _ - - - lp5 



VII. Extract of a Memoir of Mr. Haquet, on the Formation of Flint 114 

 VII f. Of the Oxidation of the Solder of Leaden Vessels used in \\ ash-houses. 



By J. C. Delametherie - . - - - 115 



IX. Example of a Calculation in the Doctrine of Chances ; a Tide Table ; and 



Remarks on the breaking of Waves. In a Letter from a Correspondent 1 1 S 

 yi. Nondescript Encrinus, in Mr. Donovan's Museum - li'l 



XL Inquiry respecting a Fact not hitherto noticed in the Way of Discussion, hi 



a Letter from R. B. - - - *- v - ]22 



XII. Questions on some Appearances of the Electric Spark. By a Correspond- 

 ent ------ 123 



XIII. Extract of a Letter from Mr. Biot to Mr. Berthollet - ibid. 



XIV. Summary Considerations on the Prismatic Colours of Bodies reduced to 

 thin PeUicles ; with an Explanation of the Colours of Annealed ' Steel, and 

 those of the Peacock's Feathers. A Fragment of a Work on Colours. By 

 C. A. Pricur - - - - - 128 



XV. Account of a Fulminating Compound of Silver, of a ^^'hite Colour nid 

 Crystalline Appearance. By Mr. Descotils ' - - 140 



XVI. Mv^moir on the Means of forming a Judgment of the Quality of Glass, 

 particularly Window Glass, and distinguishing such as is liable to Alteration. 

 By Mr. Guyton. Bead at the General Meeting of the Society of Encourage- 

 ment, March the 11th, 1807 - - - - 142 



XVH. Report on a Paper on Nitrous Ether, read to the Institute the 4th of Au- 

 gust, 1806, by Mr. Thenord, Professor in the College of France. By Messrs. 

 ^ Guyton, Vauquelin, and Berthollet - - - 144 



XVIII. Observations on Subterranean Heat, made in the Mines of PouUacucn 

 and Huelgoat in Brittany. ByJ. F. Daui)uisson - - 148 



XIX. Letter from Dr. Veau-de-Launay to J. C. Delametherie on the Production 

 of oxigenized Muriatic Acid by the Galvanic Pile - - 155 



XX. Scientific News. — 'New Bavarian Academy of Sciences, ib.— Boyal Li- 

 brary at Munich, 157, — Collection of ]*aintings, ib. — Royal Academy of His- 

 tory and Antiquities at Naples, ib. — Meclianical Imitation of various W^ind 

 Instnnnents and others, ib. — Intended Tour in the East, 158. — Ancient Busts 

 made by American Indians, ib. — Extensive Bidgesof Shells in America, ib. 

 — Vegetable Galvanic Pile, 159 — Mathematical Kepository, ib. — Mr. Ac- 

 cum's new Mineralogical Work, 160. — Lectures on Surgery, and on Physi- 

 ology, ib. — Medical and Chemical Lectures, St. George's Hospital, and 

 George Street, Hanover Square, ib, 



NOVEMBER. 



