Illustrated Companion to the Latin Dictionary/Nyctostrategus

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

NYCTOSTRATE'GUS. A title adopted under the empire instead of the old Praefectus Vigilum, to designate the officer who commanded the city watch, and went his rounds at night, attended by a guard, to protect the citizens from fire, robbery, house breaking, &c. Arcad. Dig. 50. 4. 18. § 12.