feet. Longitudinal base 114 Transverse base 50 Length at top 80 Perpendicular height 4 Distance from No. 2. N. 115 No. 4. An oblong square. feet. Longitudinal base 84 top 45 Perpendicular height 4 Distance N. 251 Nos. 2. 3. and 4. are each about 33 ordinary steps from the edge of the second bank of the river. No. 5. An oblong square. feet. Longitudinal base 81 top 35 Perpendicular height 4 Distance W. 155 No. 6. Different in form from the others. It is called the _Falling Garden_, and consists of three stages, all of equal length, and of the same parallelogramic form: the superior stage, like the five succeeding mounds, is bounded on the east by the edge of the second bank of the river: the second and third stages are in succession on the declivity of the bank, each being horizontal; and are connected with each other, and with the first, by an abruptly oblique descent. feet. Longitudinal base 114 top 88 Transverse base of first stage 30 height of first stage 5 Declivity to the second stage 34 Transverse surface of second stage 51 Declivity to the third stage 30 Transverse surface of third stage 87 Declivity to the natural slope 19 feet. No. 7. Like the three succeeding ones, conical. Distance northward 95 Base 83 Top 34 Height 4-1/2 No. 8. Distance about N. 94 Base 98 Top 31 Height 5 No. 9. Distance about N. 70 Base 114 Top 56 Height 16