The No. 4 Battalion Wellington (East Coast) Mounted Rifle Volunteers has its headquarters at Napier, and comprises A Company—East Coast Mounted Rifle Volunteers, established in Gisborne on the 6th of February, 1900; C Company—Hawke's Bay Mounted Rifle Volunteers, formed on the 11th of April, 1900. at Hastings; and D Company— Huramua Mounted Rifle Volunteers, which has its quarters at Wairoa, was founded on the 19th of September, 1900. The Battalion was originally composed of four companies, but B Company has since been disbanded. The staff officers are, Captain A. H. Russell, and Adjutant, Captain Julius Sandtmann.