Pajamas, U. S. Marine Corps, 164 U. S. Navy, 137 Passed Assistant Surgeon, U. S. Public Health Service, insignia of rank, 196 Pay Clerk, U. S. Navy, insignia, 125 Pay Officers, U. S. Navy, corps insignia, 120, 121 Pennants, ensigns and flags, 53 Petty officers, definition, 27 insignia, U. S. Navy, 139, 142 Pharmacist, U. S, Navy, insignia, 125 U. S. Public Health Service, insignia of rank, 196 Philippine Insurrection Campaign Medal, 212 Professor, U. S. Public Health Service, insignia of rank, 196 Professors of Mathematics, U. S. Navy, corps insignia, 120, 121 Public Health Service, U. S. uniforms and insignia, 188 Quarantine Inspector, U. S. Public Health Service, insignia of rank, 196 Quartermaster Clerk, U. S. Marine Corps, rank insignia, 156, 157 Corps, U. S. Army, insignia, 82 Queen Elizabeth Medal, Belgium, 288 Rank, corps and service, 17 Rank insignia, U. S. Army, officers, 79, 80, 81 U. S. Marine Corps, officers, 155-157 U. S. Navy, officers, 118-128 Rank, title and precedence, 26 Rear Admiral, U. S. Navy, insignia of rank, 122 Red Cross, American, uniforms and insignia, 292 Red Cross brassard, 105 flag, 62 Regimental standards, 58, 59 Relative rank of officers of U. S. Army, Navy, Marine Corps, Coast Guard and Public Health Service, 29 Reserve officers’ training corps, 107 Ribbons, cap, U. S. Coast Guard, 181 U. S. Naval Militia, 144 U. S. Naval Reserve Force, 144 U. S. Navy, 135 Roumanian Army, uniforms, 283 Russian Army, uniforms and insignia, 254 Navy, uniforms and insignia, 256