152, 153.] [Footnote 17: _African Repository,_ VIII, pp.

125, 283; _Journal of House_, 1840, I, pp.

347, 508, 614, 622, 623, 680.] [Footnote 18: _Journal of Senate_, 1850, I, pp.

454, 479.] [Footnote 19: This is well narrated in Turner's _Negro in Pennsylvania_, p.

160, and in DuBois's _The Philadelphia Negro_, p.