Propter Defectum Sanguinis
Defined in 2 dictionaries — Cyclopedic (1922), Ballentine's (1916)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
On account of failure of blood. PROPTER DELICTUM (Lat.) For or on account of crime. A juror may be challenged propter delictum when he has been convicted of an infamous crime. See "Challenge."
Ballentine's Law Dictionary
James A. Ballentine · 1916
By reason of lack of heirs, a cause for escheat.