CONTENTS. 



of iiml'd'ical Hernia of many Years standing, in which the 

 Operation was performed, and attended with the most 

 complete Success : and also Remarks on some Cases in 

 which the mercurial Salivation has taken place, on the 

 Exhibition ff small Doses of Calomel .. .. Page 77 



Xllf. Detected Imposition 82 



XIV. On ]\lr. A. G. Eckhardt's Regulator for poweiful 

 Mac^iuerTj ; a7:d on the Application of the Labour of Ani- 

 mcils as a moving Power on the Outside of a IValking-icbeel 



82 



"KY . Proceedings of Learned Societies 84 



XVl. Lifelligence and Miscellaneous Articles . . 92 — 96 



XVI T. Description of ilfr. Ez. Walker's new Optical 



Machine called the Phantajmascope 97 



XVIII. A third Series of Experiments on an artificial Sub- 

 stance nkich possesses the principal characteristic Proper- 

 ties nf Tannin; with snm.e Remarks on Coal, Bij Charles 

 Hatchktt, Esq. F.R.S 99 



XIX. (Jn Alirtosphcric Phcenomena: particularhj the Form- 

 ation of Clouds ; their Permanence; their Precipitation in 

 Rain, Snow, and Hail; and the consequent Rise of the 

 Barometer. JS// 3/r. Cornelius Varlt-y .. 115 



XX. Extract from the Account of the Proceedings of the 

 Society of Arts y Sciences, and Belles Lettres, of Bour- 

 deaux, for the Year 1S05. Drawn up by Messrs. Leu- 

 voLD andDvTROvihu, Secretaries 121 



XXI. On the Mineral JJaters of Lipetzk, in the Province of 

 Tamboir, in Russia 124 



XX I r. On the Caucasian Mineral JVaters .. .. 127 

 XX TIL Experiments upon the various Species of Cinchona, 



7?// iV. Vauguelin 133 



XX iV. On reclaimiag JVaste Lands. By Mr. John VVag- 



STAFFK ., 146 



XXV. On the Adnantages of the Use of Oxen and Neat 

 Cattle in Hushundry. By Lord So^jervillf. ., 149 



XXVI. Practical Statement on the former Subject, with 

 Claim of Premium. 5y .Tohx Billingslky, Esq. 153 



XXV IT. Notices respecting New Books 136 



XXVI II. Letter f-om Mr. Keith in rfply to the Anonymous 

 Rd'iewcr of Mr. \loyij<ycASTVE' a Trigonometry .. 171 



XXIX. ]\Tode of tieatia;^ Rooms hy Steam. By Mr. Neil 

 SNonGRASS, of Johnstone, Renfrewshire .. ,. 172 



XXX. Proceedings of Learned Societies .. .. 181 

 XXXf. Intelligence and Miscellaneous Articles }QS — 190 

 XXXII. On the Stanhope Temperament of the Musical 



Scale. By Mr, Jony Vmiey 19I 



XXXI II. De- 



