DATES ON WHICH THE SUN WAS OBSERVED TO BE FREE FROM SPOTS 
1865 April 7. 
June 21. 
July 3- 
October 20, 21, 22, 23, 24. 
November 1. 
December 9, 25. 
1866 April 29, 30. 
May 6. 
July 24, 27, 31. 
September 9, 10, 12, 14, 15. 
October 8, n. 
November 4, 5, 6, 7, 8, 10, 13, 14. 
December 1, 14, 20, 21. 
1867 January 7, 8, 10, 12, 14, 18, 20, 30. 
February 6, 7, 19, 24. 
March 1, 6, 8, 10. 
April 12, 25, 28. 
May 2, 12, 16. 
June 9, 13, 19, 24, 29. 
July 7, 28, 31. 
August 5, 9, 14, 25, 30. 
September 3, 4, 23, 25, 28. 
October 19, 21, 23, 25, 27. 
November 1. 
December 13. 
1868 January 16, 19, 22, 28. 
February 14, 16. 
May 25. 
July 9 - 
Total, 91 days. 
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