P. W. La Roza, of the city of Brooklyn, has j taken measures to secure a patent for an improvement in Extension Tables, the nature of which consists in making the table capable of extension, by attaching on each side-of it, by hinges, two flexible folding pieces for an additional top*o rest upon.- These Riding pieces' being hinged, to the two halves of the table, are braced and connected by a cross-piece placed in and across the centre of the length of the flexible side pieces; in this cross-piece there is an additional leg to sustain the additional tap- This leg, cross-piece, and flexible side pieces ale made to fold up within the table.