We see on one hemisphere the [Z] standing for Zeus (= Indra) the sky god, and on the other side a rude representation of a sacred (_somma_) tree; a very interesting and curious western perpetuation of the original idea and a strong indirect proof of the [Z] standing for the emblem of the sky god. [Illustration: Fig. 48. SPINDLE-WHORL WITH SWASTIKAS. Depth, 23 feet. Schliemann, "Ilios," fig. 1982.] [Illustration: Fig. 49. SPHERE DIVIDED INTO EIGHT SEGMENTS, ONE OF WHICH CONTAINS A SWASTIKA. Schliemann, "Ilios," fig. 1999.] [Illustration: Fig. 50. BICONICAL SPINDLE-WHORL WITH SWASTIKA. Schliemann, "Ilios," Fig. 1949.] Fig. 50 represents one of the biconical spindle-whorls with various decorations on the two sides, longitudinal lines interspersed with dots, arcs of concentric circles arranged in three parallels, etc. On one of these sides is a normal Swastika, the arms crossing at right angles, the ends bent at right angles to the left. The specimen shown in fig. 51 contains four perfect Swastikas and two inchoate and uncertain. Both of the latter have been damaged by breaking the surface. The four Swastikas all have their arms bent to the right; some are greater than at right angles, and one arm is curved. Several ends are tapered to a point. Fig. 52 shows a whorl of biconical form. It contains two Swastikas, the main arms of which are ogee forms, crossing each other at the center at nearly right angles, the ogee ends curving to the right. In fig. 53 the entire field of the upper surface is filled with, or occupied by, a Greek cross, in the center of which is the central hole of the whorl, while on each of the four arms is represented a Swastika, the main arms all crossing at right angles, the ends all bent to the right at a slightly obtuse angle. Each of these bent ends tapers to a point, some with slight curves and a small flourish. (See figs. 33 and 34 for reference to this flourish.) The specimen shown in fig. 54 has a center field in its upper part, of which the decoration consists of incised parallel lines forming segments of circles, repeated in each one of the four quarters of the field. The center hole is surrounded by two concentric rings of incised lines. In one of these spaces is a single Swastika; its main arms crossing at right angles, two of its ends bent to the left at right angles, the other two in the same direction and curved. [Illustration: Fig. 51. BICONICAL SPINDLE-WHORL WITH SIX SWASTIKAS. Depth, 33 feet. Schliemann, "Ilios," fig. 1859.] [Illustration: Fig. 52. BICONICAL SPINDLE-WHORL WITH TWO OGEE SWASTIKAS. Depth, 33 feet. Schliemann, "Ilios," fig. 1876.] [Illustration: Fig. 53. SPINDLE-WHORL WITH FOUR SWASTIKAS. Depth, 33 feet. De Mortillet, "Musée Préhistorique," fig. 1240.] [Illustration: Fig. 54. SPINDLE-WHORL WITH ONE SWASTIKA. Depth, 33 feet. De Mortillet, "Musée Préhistorique," fig. 1241.] _The Fourth City_ (13.2 to 17.6 feet deep).--Schliemann says:[144]