In order to designate the different departments to which the officers of the Staff of the Marine Corps belong distinctive Departmental Devices are provided to be worn with all uniforms. _Adjutant and Inspector’s Department._—The distinctive device for this department consists of a miniature Marine Corps sword and fasces crossed in gold surmounted by a wreath in silver, in the center of which is a shield of thirteen bars of red and white enamel with the field in blue enamel containing one large and twelve small gold stars; the dimensions being, length of sword and fasces one and three-eighths inches, diameter of wreath three-quarters of an inch. [Illustration: U.S. Marine corps. Officers’ decorations on sleeves indicating rank. In gold braid and embroidery on sleeves of full dress coat and blue mess jacket. In forestry-green braid and embroidery on sleeves of overcoat. 1. Major 2. Captain 3. First Lieutenant 4. Second Lieutenant 5. Warrant Officer] [Illustration: U. S. Marine Corps 1. Corps insignia worn on caps and hats 2. Corps insignia worn on coat collars 3. Distinctive mark for Aide-de-camp 4. Departmental insignia, Adjutant and Inspector’s Department 5. Departmental insignia, Quartermaster’s Department 6. Departmental insignia, Paymaster’s Department 7. Marine Corps button] _Quartermaster’s Department._—The distinctive device of this department consists of a miniature Marine Corps sword and a key crossed in gold surmounted by a gold wheel with a blue enamel rim set with thirteen gold stars, the dimensions being, length of sword and key one and three-eighths inches, diameter of wheel three-quarters of an inch. _Paymaster’s Department._—The distinctive device for this department consists of a miniature Marine Corps sword and a quill pen crossed in gold surmounted by an oak leaf and two acorns in silver, the dimensions being, length of sword and quill one and three-eighths inches, length of leaf one and one-eighth inches. With special full dress, full dress and blue mess dress uniforms these distinctive devices of the Staff Departments are worn on the top of the shoulder knot at the center; with white mess dress, blue undress, white undress, summer field and winter field uniforms they are worn on each side of the collar in rear of the corps device; and with the overcoat they are worn on the shoulder straps above the insignia of rank. For wear with the summer field and winter field uniforms and with the overcoat the Departmental devices are of the same size and design as for the other uniforms above described but are made of dull finish bronze metal.