574 LIST 0F woodcuts. [Oclober, 



Experimental Investigation of a New Force (3 figures) . 342, 343, and 345 



Yucca pendula. . 385 



Sheltered Dell with Tree Ferns and other Stove Plants .... 386 



Preparing Beds for Sub-Tropical Plants . . . . . . 386 



Tree-Fern 388 



Examination of Ancient Silver Ornaments ... . . . 403 



Arrangement for Heating Crucibles by Gas 404 



Spe&rum of Uranus . . 414 



Prism of Calc-spar • 417 



Binocular Eye-Piece 418 



Experiments on Psychic Force (13 figures) 479 to 491 



Captain Morgan's Proposed Monster 15-inch Breech-Loading Gun . 522 



Ditto Ditto ready for Firing ..... 523 



Ditto Ditto after Discharge 523 



Cone of Porous Earthenware as a Substitute for the Paper Filter . . 550 

 Illustration of an Experiment Confirming the Theory of the Spheroidal 



State 554 



Arrangement for Showing the Burning of Oxygen, Air, Chlorine, &c, in 



Hydrogen, Burning Gas, or Hydrocarbon Vapours .... 555 



Large Indudtion-Coil 558 



Morton's Secondary Condenser . . . . . . . . 559 



Apparatus for Piercing Glass Blocks 560, 



Apparatus for the Projection upon a Vertical Screen of the Images of 



Objects .56: 



END OF VOLUME I. (N.S.). 



Printed at the Offices, 3, Horse-Shoe Court, Ludgate Hill, London, E.C. 



