| Ζ 331 | Tholos Trench H; Area of Early Road Drain; Layer I | 22 June 1937 | 1st A.D. | |
| Ζ 332 | Tholos Trench H; Area of Early Road Drain; Layer II | 22 June 1937 | 5th B.C. with some 1st c. A.D. | |
| Ζ 333 | Tholos Trench H; Area of Early Road Drain; Layer III | 22 June 1937 | Chiefly first half of 5th c. | |
| Ζ 334 | Tholos Trench H; Packing to West of West Curb | 14 Jun 1937 | Second Quarter of 5th B.C. | |
| Ζ 335 | Tholos Trench H; Plundered Trench of Early Precinct Wall | 10 Jun 1937 | Early 3rd B.C. | |
| Ζ 336 | Tholos Trench H; Between Bases C and E; Layer I | 16 February 1938 | 1st B.C. | |
| Ζ 337 | Tholos Trench H; Between Bases C and E; Layer II | 17 Feb 1938 | 7th - 1st B.C. | |
| Ζ 338 | Tholos Trench H; Between Bases C and E; Layer III | 17 February 1938 | Late 5th B.C. | |