336 
REGISTER OF PLATES, MAPS AND OTHER ILLUSTRATIONS. 
Page. 
De Maistre’s Plan of Marine Grotto, = - - - 72 
Locke’s Galvanometer, - - - - 105 
Long’s Parasite Tree in Florida, - : - 106 
Page’s Electric Syringe, - - - : 111 
Churchill’s Double Fish, - - - 116 
Kirtland’s Figures of Shells, (Natades)t 2 120 
Olmsted’s Geometrical Diagrams, 145, 148, 159, 164, 171 
Edmondson’s Rotating PIAS) - - - 205 
Gay Lussac’s Air-pump, - 265 
Ente s Apparatus for Rock BESRE with aid of Celspatinn, 395, 356 
ef ** transfer of Corrosive Liquids, - 358 
‘“¢ Improved Galvanometer,_ - - - 359 
Edmondson’s Modification of Ampére’s Rotating Galvanic 
Element, : - - - - 370 
Locke’s Electro-magnetic Apparatus, - =) ee odSasS0 
Wallace’s Dissection of Eye of the Halibut, - 394 
Vou. XXVII.—Puates. 
. Sketch of Aurora Borealis of July 10, 1833, and Diagram 
of its effects on Magnetic Needle, - 118 
. Dewey’s Figures of Carices, Tabb. U, and V, He, 63-68, 236 
. Section through Mica Slate at Lowell, ’Mass. , showing the in- 
trusions of Trap and Granite, - - - 340 
Woop Cuts. 
Rogers’s Galvanometer, - - - : 40 
Johnson’s Figures illustrating Rotation of Liquids, - 85, 87 
Strait’s Figure of Compression Bellows, - - 89 
ce ce Air-pump Bellows, - - 91 
rs ss applications of Balance Principle, 92, 94, 95, 96 
Durant’s Improved Barometer, - - - 98 
Chapin’s Figures illustrating his paper on junction of Trap and 
Sandstone, in Wallingford, Ct., 105, 106, 108, 109, 110, 111 
Lapham’s Geometrical Diagrams, - - - 127, 128 
Gorton’s es Diagram, - 132 
Hare’s Apparatus for freezing water by A of Shipharie acid, 133 
Wallace’s Dissection of the Eye of the Streaked Bass, 218 
Riddell’s improved Barometer, . - 223 
Rogers’s Apparatus for gualyzing @alenreos Marl and other 
Carbonates, - - 300 
ie Self-filling Syphon foc Ghemmical analysis, - 302 
Gorton’s Geometrical Diagrams, - - - 304, 306 
Live Snake suspended by Spiders, - - 309 
Diagram of Strata from Lake Ontario to iets Erie, — - 330 
Bones of the Iguanodon in the Sands of the Chalk, S.E. part 
of England, - - 358, 359, 360 
Crystals a Sinemet, by C. U. Shepard - : 365 
Figures illustrating phenomena of Magnetization,  - 402 
