EO14042 WE PROPOSE A JOINT NUSTAR AND XMM OBSERVATION OF NGC4631 (D7MPC) A NEARBY METAL-POOR GALAXY (Z/Z SUN ~ 0.2) WITH MULTIPLE LUMINOUS HMXBS. WE WILL (1) EXAMINE THE NATURE AND ACCRETION STATES OF THE HMXBS VIA COLOR DIAGNOSTICS (2) MEASURE THE