Vol. XL.–Plates.
1. Crater of Kirauea, (Hawaii,) 1838, (Frontispiece,) 117
2. Lea's Figures of twenty-four Fossil Shells, 92
Wood Cuts.
Solar Halos, Aug. 28, 1840, (A. T. King,) 25
Abbot's Electro-magnetic Apparatus, 104, 109, 111
Apparatus for Electrography, 158
Illustrations of paper on Temperature of Mercury in a Siphon Barometer, by Prof. F. N. Benedict, 253, 258
Dr. Hare's Chemical Apparatus, 297, 300, 301, 304
Mass of Native Iron from near Oswego, N. Y., 366
Crystals of new variety of Beryl, from Haddam, 401
Vol. XLI.–Plates.
1. Portrait of Sheldon Clark, (Frontispiece,) 217
2. Taylor's View of Geological Model of Southern Coal Field of Pennsylvania, 80
3, 4. Bailey's Figures of American Bacillaria, 284, 304
5. Shells from the Secondary and Tertiary Formations, (T. A. Conrad,) 344
Wood Cuts.
W. C. Redfield's Sketch of the Prostrations on a section of the track of the New Brunswick Tornado, June 19, 1835, 79
Illustrations to Henry's paper on Electro-Dynamic Induction, 120, 137, 141, 146
Apparatus for preparing Manilla Hemp, 201
Polythalamia from the Upper Mississippi, &c., 401