Errata. 



(N.B. Errata for the Appendix is given at its beginnmy.) 



Frontispiece for Declimometer read Declinorueter. 



Page vi Line 15 from bottom, „ was „ were. 



,, x „ 8 „ top, ,, formula „ formnlœ. 



,, xii first line, „ botton „ bottom. 



„ „ Line 6 from top, „ (129) „ 129. 



„ 3 „ 15 ,, bottom, change the comma to a semicolumn. 



„ „ last line, for boardering read bordering. 



„ 5 Line 3 from bottom, „ blancket ,, blanket. 



„ 9 „ 6 „ top, after Length, insert of magnet at 0°C. 



„ 15 „32 „ bottom, for transit read transits. 



,, 31 „ 13 „ „ „ Those „ These. 



„ „ „1] „ „ before pantograph, insert a. 



read —6.^1. 

 „ horizon. 



33 Table VI, last column, for — 6.a 



87 to 117, foot notes, „ horison 



107 heading Altitude, insert * 

 111 „ for 1835.0 



127 Line 2 from top, before by, insert 

 130 „ 7 ,, bottom, before ^" „ 



135 end of the foot note, „ 



140 Line 8 from top, after Gauss, „ 

 145 „ 4 „ bottom, to the end of the line insert (10) 

 149 „ 14 „ „ for assymptotic read asymptotic. 



iou „ ,, „ ,, ,, ,, ,, 



151 first line, change the full stop to a comma 



152 Line 10 from top, for assymptotic read asymptotic. 



read 1895.0. 

 efl^ectually. 



Z. 



a comma. 



156 Fig. 7 



157 



dZ' 



9Z 

 "9Z" 



dz 

 9h'' 



160 Line 2 from bottom, for laved 



dz 

 laid. 



