1. Snake Hill in Saratoga Lake, (Frontispiece,) 1
2. Rocking Stone in Savoy, Mass., 27
Oolite Formation, Saratoga Co., N. Y., 18
Singular Conformation of Limestone, Williamstown, Mass., 19
Map of Mineral Localities on Connecticut River, by T. D.Porter, 177
3. Gyropodium coccineum, Schw., 56
4. Patten's Air-pump, Gazometer and Balance Beam, 92
5 and 6. Dewey's Figures of Carices, Tab. A, figs. 1-4, vii, 273, 277; viii, 266; ix, 257
7 and 8.""""B, "5-8, viii, 98; ix, 60
9 and 10.""""C, "9-12, viii, 97; ix, 60, 257
11. Raja erinaceus, by S. L. Mitchill, 290
12. Diagrams illustrating Quinby on Overshot Water Wheels, 304
"""Steam-Boilers, 313
Bolles's Trigonometer, 401
March of Caterpillars, &c., 285
Urocerus, a species of, 288
13. Instrument for describing the Spiral of Archimedes, by A. B. Quinby, 316
Vol. X.–Plates.
1. Geognostical Map of Sicily, by C. Daubeny, (Frontispiece,) 230
Tertiary Formations at Hyde Park, near Poughkeepsie, N. Y., 227
2. Rocking Stones in North Providence, R. I., 9
Two-headed Snakes, by Dr. S. L. Mitchill, 48
3. 4, 5, 6, 7. Dewey's Figures of Carices, Tabb. D, E, F, G, figs. 13-23, vii, 274; ix, 60; x, 30, 265
8. Luminous Circles around the Sun, Aug. 1825, 368
Wood Cuts.
R. Hare's Improved Eudiometer and Calorimotor for Galvanic Ignition, figs. 1, 2, 3, 68, 69
"Sliding Rod Eudiometer, figs. 4 and 5, 72, 74
"""" figs. 6, 7, 8, 76, 77
Vol. XI.–Plates.
1. Crinited Dory, or Zeus crinitus, 144
2, 3, 4, 5, 6, 7, 8. Dewey's Carices, Tabb. H, I, K, L, M, N, O, figs 24-49, vii, 270; viii, 98; ix, 66, 67, 69; x, 36, 44, 45, 276, 281, 282; xi, 147, 304, &c.
On plate H, figures of Grevillea serrata, 183
9. Aerostatic Elevator on a Canal, &c., 340
10. Hydrostatic Vertical Elevator, on a Canal, 342
11. Hydrostatic Tractors, and a Rolling Floor, 343
12. Hydrostatic Vessel or Hydronaut, 344
13. Aerostatic Vessel or Aeronaut, 346
Wood Cuts.