-------+----+----+----+----+----+----+----+----+ TABLE. |1850|1851|1852|1853|1854|1855|1856|1857| -------+----+----+----+----+----+----+----+----+ Jan. | | | | 1 | 1 | 2 | 5 | 4 | Feb. | | | | 1 | | 1 | 1 | 1 | March | 1 | | | 1 | 2 | | 2 | 2 | April | | | | 2 | 1 | 1 | 1 | | May | 1 | 3 | | | 2 | | 2 | 2 | June | 1 | 1 | | 1 | 1 | 1 | | 1 | July | | | | 1 | 1 | 2 | | | August | 1 | | | | | 1 | 2 | 2 | Sept. | 1 | | | 1 | 1 | | 2 | 2 | October| | | | 2 | 2 | 2 | | 1 | Nov. | | | 1 | 2 | | | 1 | 1 | Dec. | | 2 | 1 | 1 | | 2 | | 1 | +----+----+----+----+----+----+----+----+ Total. | 5 | 6 | 2 | 13 | 11 | 12 | 16 | 17 | -------+----+----+----+----+----+----+----+----+ -------+----+----+----+----+----+----+------ TABLE. |1858|1859|1860|1861|1862|1863|Total. -------+----+----+----+----+----+----+------ Jan. | | 1 | 1 | | | 1 | 16 Feb. | 1 | | | | | 1 | 6 March | | | 1 | | | | 8 April | | 1 | | | | | 6 May | | | | | | | 10 June | | | | | | 1 | 7 July | | | | 1 | | 1 | 7 August | 1 | 1 | | | | 1 | 9 Sept. | 4 | 1 | | | 1 | | 13 October| | 1 | | | | | 8 Nov. | 1 | 1 | 1 | | | | 8 Dec. | | 2 | 1 | | 1 | 1 | 12 -------+----+----+----+----+----+----+------ Total. | 7 | 8 | 4 | 1 | 2 | 6 | 111 -------+----+----+----+----+----+----+------ TABLE 2.—_Number of shocks occurring between the dates of the equinoxes and solstices, for thirteen years._