INDEX OF VOLUMES I TO XX. 



93 



VOL. PAGE 



Philosophy, Mythologies. J. W. Powell xv 795, xvi 56 



Phin, J. Lightning-Eods, Form of vii 399, 746 



Phlogiston, Kevived Theory of. William Odliug ix 560 



Pholades, Boring-Organ of (Misc.) ii 253 



Phonograph, Anticipations concerning the (Misc.) xii 756 



Improved. Diaphragm for the (Misc.) xv 423 



The. A. M. Mayer xii 719 



The Edison (Ed. Tab.) xii 748 



Phosphorescence, Animal vii 453 



Vegetable. Ellen Prescott xvi 804 



Phosphoric Acid (Misc.) ii 383 



Photographic Process, A New xiii 441 



Proofs, White Spots on (Misc.) ii 632 



Photographing the Eye and Ear (Misc.) i 766 



Photographs, Correctness of. H. Vogel vi 710 



New Solar (Ed. Tab.) xii 748 



Permanent (Misc.) i 250 



Photography and. the Chemical Centennial. (Ed. Tab.) vi 115 



Copying Designs by (Misc.) xiii 251 



Growth of (Misc.) xiii 119 



Improvements in (Misc.) xii 509 



Progress in (Misc.) .... xviii 570 



Eecent Eesearches in. R. Meldola v 717 



Photometer, Deep-Sea (Misc.) ii 639 



Photometry (Misc.) xx 428 



Photophone in Research, The (Ed. Tab.) xix 114 



The. Alexander G. Bell xvii 813, xix 186, 324 



The New (Ed. Tab.) xvii 845 



Photosphere and Sun-Spots. S. P. Langley v 532 



Phrenology, The New. Henry de Varigny xviii 599 



The Old, and the New. J. G. Clough. (Cor.) xv 265 



A. Wilson xiv 475 



Phylloxera, American Grape- Vines and the (Misc.) vii 762, x 511 



Applications for (Misc.) xvi 718 



The Grape. C. V. Riley v 1 



Physical Science in English Schools x 23 



Primary Concepts of Modern. J. B. Stallo: 



I. Theory of the Atomic Constitution of Matter iii 705 



II. Atomic Constitution of Matter as a Postulate of Thought. . . iv 92 



III. The Assumption of the Essential Solidity of Matter iv 219 



IV. Inertia and Force iv 349 



The Study of. C. Kingsley i 451 



Physics in Secondary Schools. J. Trowbridge xv 159 



Mathematical Investigations in. J. Lovering vi 308 



Recent Progress of Solar. S. P. Langley xvi 1 



Transcendental. P. R. Shipman xx 315 



Physiological Chemistry. E. Drechsel xx 512 



Physiology and Mind- Heading. George M. Beard x 459 



Book, abroad (Ed. Tab.) xix 114 



Elementary Instruction in. T. H. Huxley xi 668 



Mental. J. C. Bucknill v 705 



7 



