CONTENTS. til 



APRIL, 1806. 



Engravings of the following Objects: 1, 2. Profile Views of Air in Water, by- 

 Mr. Dalton ; 3. Horizontal View of Particles of Air in Water, by Mr. Dal- 

 ton; 4, View of a Square Pile of Shot, &c. 5. Diagram to illuftrate the 

 Theory of the Horizontal Moon. 



I. Letter from T.Young, M,D.F. R.S. &c. claiming the Lamp defcribed in 

 our laft Number, and demanding an Explanation from the anonymous Com^ 

 municator. - - - - - 277 



II. On the Tendency of Elaftic Fluids to DifFufion through each other. By 

 John Dalton. - - - - - - 278 



in. On the Horizontal Moon. By Dr. Okely. In a Letter from Mr. H. 

 Steinhauer. - - - - - - - 284> 



IV. Account of fome Specimens of Bafaltes from the northern Coaft of An- 

 trim. By the Rev. Dr. William Richardibn. - - 287 



V. On the Abforption of Gafes by Water and other Liquids. By John 

 Dalton. - . - . . 29i 



VI. On the fuppofed fafcinating Power of the Rattle-fnake. With a re- 

 markable Indian Tjadition upon which it is probable the early European Set- 

 tlers founded their popular Tales. From the Philadelphia Medical and 

 Phyfical Journal, by Benjamin Smith Barton, M. D. - 300 



VII. A Defcription of a Property of Caoutchouc, or Indian Rubber : With 

 fome Reflections on the Caufe of the Elaiticity of this Subllance. In a 

 Letter to Dr. Holme. - - - - - '305 



VIII. Obfervations on the training up of Pugilifts, Wreftlers, Jockies, and 

 others, who give themfelves up to Athletic Exercifes ; with fome Queries for 

 difcovering the Principles thereof, and the Procefs of training Running Horfes, 

 Sec. with a View of afcertaining whether the fame can furni/h any Hints fer- 

 viceable to the Human Species. - - - - 30y 



IX. On the Dangers encountered in travelling over Downs, occafioned hj 

 Quickfands, Vv/liich are frequently found on the Sea-Coall } with an Indica- 

 tion of the Means of avoiding them. By M. Biemontier, Infpeftor-General 

 of Bridges and Roads. - - - 319 



X. Extract from a Memoir by Meffrs. Fourcroy and Vauquelin, on the Guano, 

 or Natural Manure, of the fmall Iflands of the South Sea, near the Coaft of 

 Peru. Read at the French National Inftitule, by A. Laugier. - 322 



XI. Note on a Varnifli for glazing Cups. By M. Parmentier. - 327 



XII. Account of a Series of Experiments, fliewing the Effefts of Compref- 

 fion in modifying the Aftion of Heat, By Sir James Hall, Bart. F. R. S. 

 Edin. .-.-._ 328 



XIII. On the Ufe of the Sutures in the Skulls of Animals. By Mr. B. Gib- 

 fon. - - - - - - 343 



XIV. On the Reproduaion of Buds. Bv Thomas Andrew Knight, Efq. 

 F. R. S. - , - - '- - - 349 



XV. Experiments on the Gafeous Oxide of Azote, by a Society of Amateurs 

 at Touloule. Publiil>ed by M. P. Dilpan, Profeffor of Chemiftry in the 

 College of that City. - - - - 354 



XVI. Obfervations on the Mammoth, or American Elephant, by which it is 

 proved to have been an herbivorous Animal. In a Letter from the Right 

 Reverend Bilhop Madifon. - - - - - 358 



XVII. Obfervations on the Danger of Earthern-ware or Pottery of a bad 

 Quality. By M. Poideyin of Rouen. - - - 361 



XVIII. Extraft of a Letter from M. John Michael Hauffmann, to M. Ber- 

 thollet, on the Exiftence of intermediate Terms of Oxidation. - 363. 



Scientific News, 369. — Memoirs de TAcademie Imperiale des Sciences, &c. 

 Memoirs of the Imperial Academy of Sciences, Literature, and fine Arts, of 

 Turin, for the Years 12 and 13, 2 Vols. Quarto, 1805> Turin, ib. 



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