TO CORRESPONDENTS. 



Mr. N.'s well-digested Meteorological Table for Hull has been re- 

 ceived ; but were we to give general admission to such tables, they would 

 occupy the whole of our pages. 



Dr. Sandis's Experiments in onr next, if possible. 



Mr. Murray's interesting Communications on Chlorine and Chlorate 

 of iPotash ; On the Relation of Acids and Alkalis to vegetable Colours ; 

 On Air taken from an Ice-house, and On Urinary Calculi, will appear as 

 speedily as ive can make room for them. 



Mr. Forman's Theory of the Tides, will appear in our next. 



T. G.'s Communication vespecting a Meteor seen in 1814 refers to an 

 occurrence rather too remote for notice in the year 1822. 



This Day is published. Price 12s., illustrated with Plates, 



AN INTRODUCTION TO THE STUDY OF FOSSIL OR- 

 GANIC REMAINS, especially of those found in the British Strata : 

 intended to aid the Student in his Enquiries respecting the Nature of Fos- 

 sfls, and their Connexion with the Formation of the Earth. 



' ' ' By JAMES PARKINSON, 



Fellow of the Royal College of Surgeons, and Member of the Geological 

 Society of London, the Wernerian Society of Edinburgh, and of the 

 Caesarean Society of Moscow. 

 Sold by Sherwood, Neely, and Jones, Paternoster Row ; and W. Phillips, 

 George-yard, Lombard-street. 

 %* This work is printed uniformly in size with the Outlines of the 

 Geology of England and Wales, by the Rev. W. D. Conybeare, F.R.S., 

 M.G.S. &c., and W. Phillips, F.L.S., &c. 



Published by the Authority and at the Expense of the Board of 

 Longitude. 8vo. Price 10s. 



TABLES to be used with the NAUTICAL ALMANAC, for 

 finding the LATITUDE and LONGITUDE at SEA. 



By the Rev, W. LAX, M.A. F.R.S. . 



Lowndes' Professor of Astronomy and Geometry in the University of 



Cambridge. 

 Containing a complete and compendious Set-of Tables, in which the 

 quantities are taken out by immediate inspection, and the proportional 

 parts are additive ; with easy and accurate methods of solving the various 

 Problems required, and the newest determinations of the Latitudes and 

 Longitudes of places: intended as a Substitute for the Requisite Tables. 



Sold by John Murray, Publisher to the Board of Longitude, Albemarle- 

 street. 



Published by the Authority, and at the Expense of the Board of 

 Longitude. 4to. Price .M/. ' 



TABLESof LOGARITHMS of all NUMBERS, from 1 to lOlOOO, 

 and of the SINES and TANGENTS to every SECOND of th'e 

 QUADRANT. 



By MICHAEL TAYLOR, 



Author of the Sexagesimal Tables. 



With a Preface, and Precepts for the Explanation and Use of the same, 



By NEVIL MASKELYNE, F.R.S. Astronomer Royal. 



Sold by John Murray, Publisher to the Board of Longitude, Albc- 

 marle-street. 



