Mansfield, Lord, decision in the case of the Negro Sommersett, 85,
      205.

  Marlow, John, affidavit in the Sommersett case, 206.

  Maryland, appropriates money for the colony at Cape Palmas, 96;
    slaves purchased to evade tax, 128;
    slavery in, 238-248;
    under the laws of Virginia, 238;
    first legislation on slavery, 238;
    population of, 238;
    slavery established by statute, 240;
    Act passed encouraging the importation of Negroes and slaves, 241;
    impost on Negroes, slaves, and white persons imported into, 241;
    duties on rum and wine, 243;
    treatment of slaves and papists, 243;
    convicts imported into, 243;
    convict trade condemned, 244;
    defended, 244;
    slave-code, 246;
    rights of slaves, 246;
    law against manumission of slaves, 246;
    Negro population, 246, 247;
    white population, 247;
    increase of slavery, 247;
    number of slaves in 1715, 325;
    Negroes enlist in the army, 352;
    slave population in 1790, 436.

  Maryland Colonization Society, found colony of Negroes at Cape Palmas,
      Liberia, 95.

  Mason, George, author of the Virginia resolutions of 1774 against
      slavery, 327.

  Mason, Susanna, addresses a poetical letter to Benjamin Banneker, 392.

  Massachusetts, slavery in, 172-237;
    earliest mention of the Negro in, 173;
    Moore’s history of slavery in, 173;
    Pequod War the cause of slavery, 173;
    slaves imported to, 174;
    ship “Desire” arrives with slaves, 174, 176;
    slavery established, 175;
    first statute establishing slavery, 177;
    made hereditary, 179;
    kidnapped Negroes, 180, 182;
    number of slaves, 183, 184;
    tax on slaves, 185;
    Negro population, 185;
    introduction of Indian slaves prohibited, 186;
    Negroes rated with cattle, 187, 188, 196;
    denied baptism, 189;
    Act in relation to marriage of Negro slaves, 191, 192;
    slave-marriage ceremony, 192;
    condition of free Negro, 194, 196;
    Act to abolish slavery, 204;
    slave awarded a verdict against his master, 204;
    emancipation of slaves, 205;
    legislation favoring the importation of white servants, and
      prohibiting the clandestine bringing-in of Negroes, 208;
    importation of Negroes not as profitable as white servants, 208,
      209;
    prohibitory legislation against slavery, 220;
    proclamation against Negroes, 226;
    slaves executed, 226;
    transported and exchanged for small Negroes, 226;
    slaves sue for freedom, 228-232;
    Negroes petition for freedom, 233;
    bill passed for the suppression of the slave-trade, 234, 235;
    vetoed by Gov.  Gage, 235;
    number of slaves in, 325;
    emancipation of slaves, 329;