Because Montreal’s 150th Battalion, a self-styled "elite" unit, was unable to meet its authorized strength, Ottawa broke up the unit and sent its men as reinforcements to the 22nd Battalion.

Translation:

French Canadians: Enroll in the 150th Carabiniers Mont-Royal commanded by Lieutenant Colonel H. Barre. An elite regiment made up of picked men and led by experienced officers returned from the front. Recruiting office: armoury of the 65th regiment.