Most of the finds in the Natufian layer of the Mount Carmel cave were flints. About 80 per cent of these flint tools were microliths made by the regular working of tiny blades into various tools, some having geometric forms. The larger flint tools included backed blades, burins, scrapers, a few arrow points, some larger hacking or picking tools, and one special type. This last was the sickle blade. We know a sickle blade of flint when we see one, because of a strange polish or sheen which seems to develop on the cutting edge when the blade has been used to cut grasses or grain, or--perhaps--reeds. In the Natufian, we have even found the straight bone handles in which a number of flint sickle blades were set in a line. There was a small industry in ground or pecked stone (that is, abraded not chipped) in the Natufian. This included some pestle and mortar fragments. The mortars are said to have a deep and narrow hole, and some of the pestles show traces of red ochre. We are not sure that these mortars and pestles were also used for grinding food. In addition, there were one or two bits of carving in stone. NATUFIAN ANTIQUITIES IN OTHER MATERIALS; BURIALS AND PEOPLE The Natufian industry in bone was quite rich. It included, beside the sickle hafts mentioned above, points and harpoons, straight and curved types of fish-hooks, awls, pins and needles, and a variety of beads and pendants. There were also beads and pendants of pierced teeth and shell. A number of Natufian burials have been found in the caves; some burials were grouped together in one grave. The people who were buried within the Mount Carmel cave were laid on their backs in an extended position, while those on the terrace seem to have been “flexed” (placed in their graves in a curled-up position). This may mean no more than that it was easier to dig a long hole in cave dirt than in the hard-packed dirt of the terrace. The people often had some kind of object buried with them, and several of the best collections of beads come from the burials. On two of the skulls there were traces of elaborate head-dresses of shell beads. [Illustration: SKETCH OF NATUFIAN ASSEMBLAGE MICROLITHS ARCHITECTURE? BURIAL CHIPPED STONE GROUND STONE BONE]