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348 
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REGISTER OF PLATES, MAPS AND OTHER ILLUSTRATIONS. — . 
Vout. XLIX.—Puates. 
Page. 
Dewey’s Figures of Carices. Tab. Ee, figs. 106-117, 42 
Woop Cuts. 
Prof. Snell’s new articles of Philosophical Apparatus, : 21 
Plan of Artificial Mounds in Louisiana, - - 40 
Maps of Copper Harbor, Lake Superior, &c., - - 65,66 
Prof. Snell’s Diagram to illustrate theory of Halos, - cir 
New species of Batrachian Footmarks, by J. Deane, - 80,215 
‘Electrical Apparatus, - - - - 109 
Page’s new Electro-magnetic Engines, - : i 133 
«© Axial Galvanometer, - - - 137 
“© Double Axial Reciprocating Engine, - 141 
Footprints from Westmoreland Co., bean. nite T. King,) 217 
Prof. Hitcheock’s Map and section, showing a singular case 
of Drift in Massachusetts, - - : 260, 261 
Solar Index, a new Magnetical Instrument, ° - 306 
Sketches of a mass of Meteoric Iron from Tennessee, 339, 340 
Apparatus connnected with Prof. Draper’s paper on the 
Allotropism of Chlorine, &., —- : - 352 
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