During the years from 1680 to 1700 slaves arrived in the colony in increasing numbers. In 1681 William Fitzhugh, in a letter to Ralph Wormeley, refers to the fact that several slave ships were expected that year in the York river.[7-45] At this period, for the first time in Virginia history, we find negroes in large numbers entered as headrights upon the patent rolls. In 1693 Captain John Storey received a grant of land for the importation of 79 negroes, in 1694 Robert Beverley brought in seventy, in 1695 William Randolph twenty-five.[7-46] Before the end of the century it is probable that the slaves in Virginia numbered nearly 6,000, and had already become more important to the economic life of the colony than the indentured servants.[7-47] The chief purchasers at this time were men of large estates. The advantages of slave labor were manifest to planters of the type of William Byrd or William Fitzhugh, men who had built up fortunes by their business ability. It is but natural that they should have turned early from the indentured servant to stock their plantations with the cheaper and more remunerative African workers. As the English secured a stronger hold upon the African trade slaves arrived in ever increasing numbers. During the years from 1699 to 1708 no less than 6,843 came in, a number perhaps exceeding the entire importations of the Seventeenth century.[7-48] In the summer of 1705 alone 1,800 negroes arrived.[7-49] With what rapidity the black man was taking the place of the indentured servant and the poor freeman as the chief laborer of the colony is shown by the fact that in 1708, in a total tithable list of 30,000, no less than 12,000 were slaves. President Jennings at the same time reported that the number of servants was inconsiderable.[7-50] "Before the year 1680 what negroes came to Virginia were usually from Barbadoes," Jennings told the Board of Trade in 1708. "Between 1680 and 1698 the negro trade become more frequent, tho not in any proportion to what it hath been of late, during which the African Company have sent several ships and others by their licence having bought their slaves of the Company brought them here for sale, among which lately Alderman Jeffreys and Sir Jeffry Jeffreys were principally concerned."[7-51]