Brewster's Diagrams on certain points in Optics, 29, 30, 31, 226, 227
Figures of Hail Stones, 36
Diagram to illustrate Field Surveying, 39
Ancient American Utensil, 66
Wollaston's Reflecting Goniometer, simplified by Graves, 76
Wood's Inking Machine, 103
Instrument for Venous Injection, 114
Plan of Mantell's Museum of Natural History, 164
Trilobite found in Staffordshire, England, 203
Locke's Microscopic Compass, 237, 238
Apparatus for analyzing Atmospheric Air, 287
Figure of the Delphinus globiceps, (Cuv.) 302
Economical Furnace for warming houses, 326
Stove Drum """330
Dumont's Syrup Filter, 351
Glass Syphons for transferring Corrosive Fluids, 387
Vol. XXIV.–Plates.
1. Maps illustrating Canal Surveys in the State of New York, 19
2. Plan of the Canal Locks at Cincinnati, Ohio, 72
3, 4. Organic Remains of the Ferruginous Sand Formation of the United States, 128
5. Elementary Illustrations of Architecture, 257
Wood Cuts.
Sections, views, &c., illustrating Phillips's Essay on the Georgia Gold Mines, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 18
Thomson's geometrical Diagrams, 77
Emmet's Magneto-electric Apparatus, 79
View of Sienite in Limestone, (on the Cataraqui,) 100
"""102
Pixii's Revolving Magnet, 146
Sketches of a Rocking Stone in Hanover, N. H., 185
*Hare's Chemical Apparatus, 4 leaves, between 252 and 253
Wright's Geometrical Diagrams, 302, 303, 305, 306, 307
Hare's Improved Syphons, 318
Sketch of the Bare Hills near Baltimore, 360
De Witt's Geometrical Diagram, 369
De Maistre's Photometer for comparing the brightness of stars, 378
* An asterisk prefixed, as above, indicates that the cut forms a separate sheet.
Vol. XXV.–Plates.
1. Dewey's Figures of Carices. Tab. S, figs. 58-60, 140
2. Conrad's Freshwater Shells from Alabama, Tennessee, &c., 338