What is By Bill, By Bill Without Writ?

Alternative Forms: By bill writ | by bill without writ
Legal Definition
In practice. Terms anciently used to designate actions commenced by original bill, as distinguished from those commenced by original writ, and applied in modern practice to suits commenced by capias ad respondendum. 1 Arch. Pr. pp. 2, 337; Harkness v. Harkness, 5 Hill (N. Y.) 213.
-- Black's Law Dictionary