340 
REGISTER OF PLATES, MAPS AND OTHER ILLUSTRATIONS. 
Page. 
Crystal of Rhomboidal Limestone, (O. P. Hubber) 232 
R. EBS s Electric Machine, - - > y 273 
Battery discharger, - - : 274 
“Electrical Apparatus, - - - 276, 277 
‘¢ improved Barometer Gauge Eudiometer, 281 
*  Calorimotor, - - - - 284. 
‘* Galvanic Deflagrator of 100 pairs, - 288 
<f 700 pairs, - - 289 
“© Apparatus for Combustion of Phosphorus in 
Nitrous oxide, - - - - 291 
Swaim’s Apparatus for Electro-meteorological observations, 305 
Zabriskie’s Metallic Coils, - - - - 309, 310 
oe Electro-magnetic Engine, - - 315 
Bailey’s Figures of Common Blowpipe, - - 319, 320 
Glass Balance Springs for Chronometers,  - - 336. 
Crystal of Eremite, by C. U. Shepard, - - - 341 
Crypheeus Boothii, (Green,) Fossil Trilobite, - 344 
Page’s Electro-magnetic Apparatus, — - - - 356 
Crosse’s Acari, appearing in solutions of silex, - 377 
Auroral Column, - . - - : 394 
Vou. XXXIII.—No Pratess. 
Woop Cuts. 
J. D. Dana’s Diagrams illustrating principles of drawing fig- 
ures of Crystals, 33, 34, 35, 36, 37, 38, 39, 41, 43, 44, 45, 49 
Alembic for distilling amalgam of Gold, - - 69 
Crystals of Eremite, (J. D. Dana,) 5 3 71 
Fossil Trilobite, (Paradoxides Beckii and P. Eatoni,) Jas. 
Halling. - - - - 140 
Specimen of writing with Morse’s Maen tie Telegraph, 186 
Page’s Electro-magnetic Apparatus, - - - 191, 192 
Motion i in the melted grease of a burning candle, - 199 
Crystals of Edwardsite, by J. D. Dana, - - 203 
E. M. Clarke’s Magneto-electric Apparatus, 214, 215, 217, 218, 
[219, 220, 221, 222, 223, 224 
R. Hare’s Suction and Forcing Pump, ~ 2 239 
«¢ Apparatus, - - - 241, 245, 248 
‘¢ Collapsed Reservoir, - - - 243 
‘© Hydro-pneumatic Cistern, — - - 247 
Redfield’s Map of Sources of the Hudson Rice - 321 
Gaylord’s Sketches of Sunset Radiations, - 338, 339, 340 
Loomis’s Diagram of the path of the Stow Hurricane, 1837, 369 
Page’s Rotary Multiplier, - - 376 
«new form of Electrepeter, - - - 378 
Olmsted’s Astronomical Diagrams, - - - 392, 393 
