A harvesting attachment for a combine that includes a table or platform carrying an auger to convey a cut crop into the combine body for threshing. The leading edge of the table carries a reciprocating knife to cut the crop. There is a considerable gap between the cutting knife and auger which is bridged by special rod-like teeth which are mounted on the knife and reciprocate therewith. Such teeth assist in conveying the cut crop to the auger especially when the crop is short, thin and has a strong tendency to bunch.