386 Primitive Greece : Mycenian Art. middle of the chambers, and the walls do not exactly correspond with each other ; the angles lack sharpness, and are almost round. The door-frames have no decoration. The ceiling, more or less convex, is irregular like that of a grotto, and has neither the curve of a cupola nor the slope of a house covering.' All the entrances are walled up with dry stones. The mean dimensions of the chambers are two metres by three metres at the side, and several Fics. 132, 133. — Plan and of the tombs have shallow pits (Figs. 134-137). They have been placed in the primitive period from the fact that bones and broken Mycenian pottery have been found in them." Elsewhere potsherds and scrappy objects marked the spot where the body had lain ; but because the skeleton has disappeared, we should guard against the inference that no inhumation has taken place here.^ Elsewhere again, the vats contained bones which had ' The tomb alluded to above is fully described in the 'ASqi'uio^'. 2 'AOni'iio-. 3 //,/rf.