Abstract: An adjustable connecting means for structural members of a suspended ceiling construction which is supported at least at its periphery and at its center and is capable of self-adjustment for ceilings of concave, convex, and horizontal configuration. A connecting means in which the edge portion of a central support member is provided with a plurality of open ended slots, the edge portion and slots being cooperable with a plurality of longitudinal structural members each having a vertically disposed web provided with flanges on opposite sides thereof, one end of the web having a sector shaped opening for reception of the edge portion and entry of a web portion inwardy of the sector shaped opening into a slot.