[37] A large petition called for this bill. Much altercation ensued with the governor: Dallas, _Laws_, I. 671, ch. 692; _Penn. Col. Rec._, X. 77; Bettle, in _Penn. Hist. Soc. Mem._, I. 388-9. [38] Dallas, _Laws_, I. 782, ch. 810. [39] _Ibid._, I. 838, ch. 881. [40] There exist but few estimates of the number of slaves in this colony:-- In 1721, 2,500-5,000. _Doc. rel. Col. Hist. New York_, V. 604. " 1754, 11,000. Bancroft, _Hist. of United States_ (1883), II. 391. " 1760, very few." Burnaby, _Travels through N. Amer._ (2d ed.), p. 81. " 1775, 2,000. _Penn. Archives_, IV 597. [41] Dallas, _Laws_, II. 586. [42] Cf. _Argonautica Gustaviana_, pp. 21-3; _Del. Hist. Soc. Papers_, III. 10; _Hazard's Register_, IV. 221, Sec.Sec. 23, 24; _Hazard's Annals_, p. 372; Armstrong, _Record of Upland Court_, pp. 29-30, and notes. [43] Force, _American Archives_, 4th Ser., II. 128-9. [44] _Ibid._, 5th Ser., I. 1178; _Laws of Delaware, 1797_ (Newcastle ed.), p. 884, ch. 145 b. [45] The following is a summary of the legislation of the colony of New Jersey; details will be found in Appendix A:-- 1713, Duty Act: L10. 1763 (?), Duty Act. 1769, " " L15. 1774, " " L5 on Africans, L10 on colonial Negroes. 1786, Importation prohibited. [46] Leaming and Spicer, _Grants, Concessions_, etc., p. 398. Probably this did not refer to Negroes at all. [47] Cf. Vincent, _History of Delaware_, I. 159, 381. [48] _Laws and Acts of New Jersey, 1703-17_ (ed. 1717), p. 43. [49] _N.J. Archives_, IV. 196. There was much difficulty in passing the bill: _Ibid._, XIII. 516-41. [50] _Ibid._, IX. 345-6. The exact provisions of the act I have not found. [51] _Ibid._, IX. 383, 447, 458. Chiefly because the duty was laid on the importer. [52] Allinson, _Acts of Assembly_, pp. 315-6. [53] _N.J. Archives_, VI. 222. [54] _Acts of the 10th General Assembly_, May 2, 1786. There are two estimates of the number of slaves in this colony:-- In 1738, 3,981. _American Annals_, II. 127. " 1754, 4,606. " " II. 143. * * * * * _Chapter IV_ THE TRADING COLONIES. 16. Character of these Colonies. 17. New England and the Slave-Trade. 18. Restrictions in New Hampshire. 19. Restrictions in Massachusetts. 20. Restrictions in Rhode Island. 21. Restrictions in Connecticut. 22. General Character of these Restrictions.