IN THE UNI-TED STATES AND BRITISH NORTH AMERICA. 257 



MD. — Continued. 



1836 

 1S37 

 183S 



1839 

 1840 

 1841 

 1842 



1845 

 1846 

 1847 

 1848 

 1849 

 1850 

 1851 

 1852 

 1S53 

 1854 

 1855 

 1856 



iSS7 



1861 

 1862 

 1863 

 1864 

 1865 

 1 866 

 1S67 

 1 868 

 1S69 

 1870 



56.82* 



56.13-: 

 57-59' 



54-03' 



53-64 

 52.80 

 52.77- 

 51-55 

 53-23'' 

 53.20 

 52.64 

 53-63 

 5+-32 

 52.08 

 48.83 

 50.24 



52-35 

 52.27 



51-44 

 52.10 

 50-77 

 50.70^ 

 51-47 

 52-09- 



MASSACHUSETTS. 



54- lo' 

 52.S6 



51-79 

 50.04"* 

 51.71 

 53-35 



55-98 52.15 



45.64 



1772 



1798 

 1799 

 iSoo 

 1801 

 1S02 

 1S03 

 1S04 

 1S05 

 iSo6 

 1S07 

 1S08 



1820 

 1821 

 1S22 

 1S23 

 1824 

 1S25 

 1S26 

 1827 

 1828 

 1S29 

 1830 

 1831 

 1S32 

 1S33 

 1834 

 1S35 

 1836 



1837 

 1838 

 1S39 

 1S40 

 1 841 

 1842 

 1843 

 1844 

 1845 

 1S46 

 1847 

 1S48 

 1849 



1855 

 1856 



1858 



1865 



48.87 



47-97 

 48. 87 

 49.87 

 49-87 

 49-57 

 47-37 

 50.37 

 47-37 

 43-27 

 44.17 



44.05- 

 44.91 



4S.S8 



47-95 

 47-63 

 49.40 

 46.90 

 48.82 

 51.01 

 50.30 

 48.71 

 51.72 

 48.30 



49-85 

 49.16 

 48.12 

 4S.42 

 48.30 

 47-27 

 45-63 

 46.16 

 47-81 

 48.96 



49-79 

 49.11 



49-95 

 48.62 



49-30 

 50.36 

 50.57 

 50.28 

 50.04 

 49.21 



49-53* 

 46.07 



47-94 44-39 48-35 48-88 46. 



46.05^ 

 46.59- 



17S1 

 17S3 



1790 

 1791 

 1792 

 1793 

 1794 

 1795 

 1796 

 1797 

 1798 

 1799 

 1800 

 1 801 

 1802 

 1803 

 1804 

 1S05 

 1806 

 1S07 

 1 80S 

 1809 

 1810 

 iSii 

 1812 

 1813 



1816 

 1S17 



1841 



1842 



1843 

 1844 

 1845 

 1846 

 1S47 

 1848 

 1S49 

 1850 

 1851 

 1852 

 1S53 

 1S54 

 1855 

 1856 

 1857 

 1858 

 1859 



1861 

 1862 



1864 



1868 

 1869 

 1S70 



50-01" 



47-I3" 

 46-43* 



50.00 

 49.07* 



45.61 



' Hours of observation unkno-wn. 



33 May, 1875. 



