TO CORRESPONDENTS. 



A List of all the Occultations of Fixt Stars by the Moon, calculated for 1824, 

 by M. Inghirami of Florence, (for which we are indebted to the kindness of 

 F. Baily, Esq.,) will be given in our next. 



The following communications have also been received : On the Transforma- 

 tion of Functions; by Mr. P. Nicholson. — On Cadmium j by Mr. W. Herapath. 

 — On the Construction of an Air Barometer; by Mr. H. Meikle. — On the Tri- 

 section of a Circular Arc ; by Mr. P. Newton. 



THE WEATHER. 



This Day is published, with great Additions, and Six Plates illustrative 



of the Clouds, &c., price 15s., 



INQUIRIES relating to ATMOSPHERIC PHiENOMENA, as af- 

 fecting the Weather. 

 Clouds, Thunder and Lightning. Winds. Rain. Stars. Prognostics 

 of Change. Influence of Weather upon Vital Functions. Diseases. 

 Temperature, &c. &c. 



By THOMAS FORSTER, F.L.S. M.B. &c. &c. 



Third Edition ; to which is now first added 



THE CALENDAR OF NATURE. 



Printed for Harding, Mavor, and Lepard, Finsbury-square. 



CATON ON DEBILITY, ILLUSTRATED WITH CASES, 



This day was published, price 3s. 6d., a New Edition of 



PRACTICAL OBSERVATIONS on the DEBILITIES, natural 

 and contracted, of the GENERATIVE ORGANS of both Sexes; 

 including Remarks on Onanism, Seminal Weakness, Nocturnal Emission, 

 Gleet, Tabes Dorsalis, Fluor Albus, &c. with the Theory of Generation. 

 By T. M. CATON, Surgeon, 

 No. 6, Noi folk-street, Strand ; 

 Late of the United Hospitals of St. Thomas and Guy. 

 Sold by W. Neely, 22, Change-alley ; C. Chappie, 59, Pall-mall ; 

 Bowen, 315, Oxford-street; Callow and Wilson, 16, Princes-street, Soho ; 

 or by the Author, as above. 



Where may be had, 

 Caton on the Venereal Disease and its Consequences, a New Edition, 

 price 5s. illustrated with Cases : A Practical Treatise on the Prevention 

 and Cure of the Venereal Disease, exhibiting the character, symptoms, and 

 treatment of the diseases immediately or remotely connected with it ; con- 

 taining Observations on Gleet, Stricture, Mucal Discharges, the use of tlie 

 Caustic and common Bougie, Cutaneous Eruptions, Imaginary Venereal 

 Diseases, &c. &c. comprising an Elementary Work for Students, and a 

 Guide to the general Reader ; interspersed with select Prescriptions ap- 

 plicable to each division of the Disease. 



ENGRAVINGS. 



Vol. LV. A Plate exhibiting Sketch of the Comet's Path of July 1819. 



— A Plate illustrative of the Annular Eclipse of the Sun on the 7th of 



September next. — A Plate illustrative of Mr. Lane's Instrument for 



gathering Fruitj Mr. Young's Mode of preparing Opium from the 



