Pl XX 
CHART 9. 
Morning of Feb. 3. 1842. 
si dahias iii ebalisi sans diens tacli Line 5 of CG al PTESSUTE 
7 
. Lines of equal therm. oscillation. 
O «alu 
uae Clear Sky: eS faim 
ce. Cloids BB a Srow- 
i — on ne as inet a Sone >. eB etea aril TT aca = ee Si ieee re eh ee — —— ~ De perenne ~<* 
