1813.] 



Prindpal Towns in Great Britain, 



177 



Inhabitants. 



37 Jedburgh 4,454 



38 Kelso 4,408 



39 Haddington 4,370 



40 St. Andrews 4,311 



41 Dunbar 3,965 



42 Maybole 3,94G 



43 Beith .....3,755 



44 Kirkaldy 3,747 



45 Kirkintilloch 3,740 



46 Hawick 3,688 



47 Clackmanan 3,605 



48 Banff ...^ 3,603 



49 Rothsay 3,544 



50 Stornaway 3,500 



51 Thurso 3,462 



52 Annan 3,341 



53 Crieff 3,300 



54 Dumbarton 3,121 



55 Girvan 3,097 



56 Dunse 3,082 



57 Tranent .3,036 



58 Forres.. 2,925 



Inhabitants. 



59 Bathgate 2,919 



60 Kirkcudbright 2,763 



61 Dunblane 2,732 



62 Sanquhar 2,709 



63 Dornock 2,680 



64 Methven 2,653 



65 Linhthgow .2,55/ 



66 Nairn 2,504 



67 Peebles 2,485 



68 Selkirk 2,422 



69 Cromarty .2,413 



70 Inverkeithing 2,400 



71 Lochmaben ...... .2,392 



72 Tain 2,384 



73 Kinross 2,214 



74 Prestonpans 1,995 



75 Whithorn 1,935 



76 Stranraer 1,923 



77 Lauder 1,742 



78 Kirkwall .1,715 



79 Wigtown 1^711 



80 Inverary 1,113 



N. B. All the towns in Scotland in the preceding list, except 

 Linlithgow, comprehend likewise the country parts of their 

 parishes. This is sometimes the case with those in the table of 

 English towns, but not so frequently. 



Article V. 



On the Specific Gravity of the Gases, By Thomas 

 Thomson, M.D. F.R.S. 



An accurate knowledge of the specific gravity of the gases is 

 of the utmost importance to the progress of chemistry. Their 

 combinations can hardly be made any other way than by mea- 

 sure. Of course all our knowledge of the proportions in which 

 they unite depends upon the accuracy with which their specific 

 gravities have been determined. I have given in my System of 

 Chemistry (vol. iii. p. 439) a table of the specific gravities of all 

 the gaseous bodies koowa at the time, formed upon the best 

 authorities that could be procured ; but as a great deal has been 

 done on this subject since the publication of the last edition of 

 that work, the table stands in need of numerous corrections. 



Vol. L W III. M 



