Laborers on fortifications 84 Menial camp laborers 84 Objects of bribe to win friendship of tribes 84–86 Recognition as property 86 Tax law of 1728 86 Treatment of slaves 86–90 Slavery was of mild nature 86 Social distinction between slave and owner was less marked than in case of English and Indian slaves 87 Instance of “coureurs de bois” 87 Religious training 87–88 Relation to ceremonies and sacraments of the Church 88–90 Extent of Indian slavery 90–94 In Louisiana 90–91 In Natchitoches 91 In north Mississippi Valley 92 In Detroit 92–93 Manumission 93–95 Verbal manumission 94 Law of 1735 required manumission by notarial deed 94 Law of 1721 freed children of slave mothers and free fathers 95 Causes of end of Indian slavery 96–102 Indians not adapted to slavery 96 Decrease in number of Indians 96 Removal of tribes from neighborhood of whites 96 Law of 1693 forbade trade in Indians 96 Law of 1736 repeated the order 97 General unsatisfactoriness of the institution 97–99 Growth of indenture system 99 Growth of negro slavery 100–102 PART II THE INSTITUTION AS PRACTICED BY THE ENGLISH CHAPTER IV +The Number of Indian Slaves+