Vol. XLII.–Plates.
1, 2. Bailey's Figures of American Bacillaria, 88, 104
3. H. C. Lea's Figures of eight new species of Shells, 106
4, 5. Leedom's Tellurium, an Astronomical Machine, 338
6. Isotelus megistos, 366
Wood Cuts.
Apparatus for detecting Arsenic, 77, 79
Redfield's Charts of the Storm of Dec. 15, 1839, 116, 117
Fossil Bones from Oregon Territory, 137, 139
Combustion by means of Wood Ashes, 167
Furnaces, &c., for smelting Lead, 170, 171, 173
Microscopic views of powder which fell on deck of a vessel, 196, 197
Alabaster Concretion from Mammoth Cave, Kentucky, 207
Spark Extinguisher, 209
Sketch of Glaciers, Moraines, &c., 347, 354, 355
Sketches of the Alps and the Jura, 359, 360
Crown of a Fossil Molar Tooth found in Opelousas, La., 390
Vol. XLIII.–Plates.
1. Slab of Limestone with Footprints and Scroll found in bed of Mississippi at St. Louis, in 1819, 14
2. Dewey's Figures of Carices, Tab. Cc, figs. 94-97, 90
3. Bones of two new Fossil Mammals from Georgia, United States,
(1) Sus americana, Harl., 143
(2) Chelonia Couperi, Harl., 144
4. Illustrations to Prof. Loomis's paper on the Mayfield Tornado, Feb. 4, 1842, 278
5, 6. Prof. Bailey's Figures of American Bacillaria, 321, 331
7. Engelmann's North American Cuscutineæ, 333, 345
Wood Cuts.
Fossil Shells, (Producta,) 18
"Coral, (Archimedes,) 19
Pentremites pyriformis, 20
Indian Axe, of hornblende rock, 31
Section of Strata near Mineral Point, Wisconsin Terr., 37
Furnace for Smelting Lead, 46, 49
Section of Strata, showing Copper-ore Veins, 61
New species of Thracia, (C. B. Adams,) 145
Acarus and eggs, (the eggs first supposed to be a microscopic fungus,) 206
Redfield's Diagrams illustrating paper on the Providence Tornado, 266, 267, 269, 272, 275, 278
Crystals of Washingtonite, (C. U. Shepard,) 364