Vol. XLVI.–Plates.
1, 2. Fossil Footmarks at Turner's Falls, near Greenfield, Mass., 73
3. Bailey's Figures of Fossil Infusoria, 137
Wood Cuts.
Diagram showing force of Solar Rays, &c., 14
Crystals of Calc Spar, (J. D. Dana,) 33
"Zircon, Pyrites and Sphene, (J. D. Dana,) 36
Section of Niagara River, 70
Diagram illustrating Tails of Comets, 128
Draper's Tithonometer, 225
Crystals of Beaumontite, 234
Twining's Geometrical Diagrams, 324, 327, 328, 329
Apparatus for Analysis of the Carbonates, 351
Crystals showing striated surfaces, (J. D. Dana,) 365
Crystal of Galena distorted, (J. D. Dana,) 366
Crystal of Apatite " (J. D. Dana,) 366
Crystals curved, 366
Macle Crystal of Staurotide, 368
Improvement in Wollaston's Reflecting Goniometer, 372
Crystal of Borate of Lime, 377
"Haydenite, 379
"Datholite, (J. D. Dana,) 380
Crystals of Andalusite, (J. D. Dana,) 381
"Chondrodite, (J. D. Dana,) 381
Crystal of Sillimanite, (J. D. Dana,) 382
"Danaite, 384
Vol. XLVII.–Plates.
1. Portrait of William Maclure, 1
2. Map illustrating General Laws of Temperature throughout the United States, 18
3. Plate exhibiting the different Laws of Temperature at Key West and Fort Snelling, 26, 223
4, 5. Ichnolites, or Fossil Footmarks, 292, 316
Wood Cuts.
Crystal of Anatase, 216
Diagrams illustrating R. H. Fauntleroy's paper on the Equilibrium between Living and Dead Forces, 243, 244, 245
Diagram's illustrating J. H. Coffin's paper on the Secular Acceleration of the Moon's mean motion, 325, 329, 332
Lingula antiqua, 356
Various Fossils, found in State of New York, 358, 361, 363, 364, 365, 366, 367, 368, 370, 376, 377, 378
Whitlock's Geometrical Diagrams, 380, 381
Unionidæ of the Country of the Iguanodon, 404, 405
Cranium of a new species of Hippopotamus, S. G. Morton, 407