IN THE UNITED STATES AND BRITISH NORTH AMERICA. 249 



IOWA.— Continued. 



' 







a 













^• 



i 











i 



c" 



^ 





& u 





.3 



V 



g 



'|!S 









'5 

 S 



^ 



-73 



2 





i 



^:l 



>^ 



Cu 



^^ 



H 



(3 













Q 



Q 







3 



(S 



fe 



^> 



fS 



1^ 





„ 







;, 















Q 



Q 



Q 



Q 



Q 



Q 



Q 



Q 



^ 



Q 



1820 















48.19 





















1821 















47.12 





















•• § 



1S22 















50-25 

















... 





1 



1823 















51.28 





















§ 



1824 















48.25 





















.. 1 



1825 















52.21 





















■■ i 



1S42 

































46.87 1 



1S43 







... 



























41.76 1 



1844 







... 















49-54 













45-36 1 



1845 







... 















50.20* 













46.21 1 



1854 























50.18 











1 



185s 























47. So 



50.08 













1856 





































1857 



44. 3 1 

























47-20 











1858 



47-48 





















47-9S 





49-49 











1859 



47-97* 





51-31* 

















47.62 





48.91 











i860 























49.72 







45-23* 



45.64* 







1861 













47-14 







47-59* 





47.65 









44.86 







1862 









45-85* 





46.28 







46.24 





46.65 













.. 



1863 









46.74* 





47.02* 











47-96 













•• i 



1864 









45-32 





47-41* 







46.60 





46.92 













" i 



1865 









45. iS 





49.08 







48.45 





48.31 













•• i 



1866 









43-19 



43.62 



47.24 







46.91 



46^82 



45-76 













•• 3 



1867 









43-47* 



46.33 



48.76* 





41-33* 



47-32 





47.10 













•• 5 



1868 









43-57 





48.37 







46.86 





46.09 















1869 





44-45 





43-55* 





46.01 







46.51 





46.15 















1870 





48.17 





47-37* 





48.75 











49-54 

















46.45 



46.28 



51-36 



44-94 



45-35 



47-65 



49-55 



42.63 



47-33 



48.94 



47-69 



50.08' 



49.00 





44-83 



45.29 







' Hours of observation unknown. 





32 May, 1875. 



