[46] German for "screw."

[47] The Eastern Penitentiary at Philadelphia, Pa.

[48] Hartman engineered the tunnel beneath the Moscow railway, undermined in an unsuccessful attempt to kill Alexander II., in 1880.

[49] Safe blower.

[50] Officer Robert G. Hunter, who committed suicide August 30, 1901, in Clarion, Pa. (where the trial took place). He left a written confession, in which he accused Warden E. S. Wright of forcing him to testify against men whom he knew to be innocent.

[51] The process of whitening stone floors by pulverizing sand into their surfaces.

[52] Poorhouse.