INDEX OF VOLUMES I TO XX. 137 



VOL. PAGE 



Dispensatory, The National. A. Stille" and J. M. Maisch xv 135 



Dissection, Hand-book of Vertebrate. E. N. Martin xx 280 



Dissertations and Discussions. J. Stuart Mill viii 500 



Doubt, Defense of Philosophic. A. J. Balfour xvi 130 



Drainage for Health. J. Wilson xix 121 



Surface-, of the Metropolitan District. 0. W. Folsoni x 630 



Draw, Learning to. Viollet-le-Duc xviii 706 



Drawing. Hermann Kriisi v 374 



Free-hand v 503 



Drawings, Working, and how to use them. L. M. Haupt xix 420 



Druggists' Gazette, German- American. Edited by G. W. Kachel xvii 567 



Drugs that enslave. H. H. Kane xix 273 



Dwelling-llouses. W. H. Corfield xvii 417 



Dwellings for Laboring Classes, Improved xvii 134 



Dynamics. J. T. Bottomley xi 375 



Elements of. W. K. Clifford xiii 630 



E 



Ear, Mechanism of the. H. Helmlioltz id 249 



Earth, The, a Great Magnet. A. M. Mayer ii 626 



Ancient Life History of the. H. A. Nicholson xii 631 



The Figure of the. M. Merriman xx 134 



Ecce Spiritus xx 702 



Eclipse, Total Solar, 1878. S. P. Langley xx 419 



Economics of Industry. Alfred and Mary Paley Marshall xvi 853 



Edda, The Younger. R. B. Anderson xvi 852 



Educational Journalism. C. W. Bardeen xx 132 



Reformers, Essays on. R. H. Quick iv 758 



Education as a Science. Alexander Bain. (International Scientific Series.) xiv 822 



Brooklyn Journal of. ... vii 502 



H. Spencer. Cheap Edition xvii 560 



Circulars of Bureau of. xix 123 ; xx 418 



Cyclopaedia of. II. Kiddle and A. J. Schem xi 497 



in Colorado, Report of Superintendent of. xix 126 



Industrial. Alexander Hogg xiv 828 



in Japan. Arinori Mori iii 120 



National, in Italy, France, Germany, and England. C. W. Bennett, xv 852 



Some Thoughts concerning. John Locke xviii 135 



Spirit of. M. TAbbe A. Beesau xix 274 



Report of Commissioner of. viii 500 ; xi 247 ; xix 120 ; xx 562 



Thoughts on Agricultural. E. L. Sturtevant xix 421 



Effort, The Feeling of. William James xviii 706 



Egypt as it is. J. C. McCoan xii 374 



Electric Induction. J. E. H. Gordon xvii 133 



Lighting by Incandescence. W. E. Sawyer xix 124 



Electrical and Magnetic Measurement, Exercises in. R. E. Day ix 376 



Society, Journal of the American viii 757 



Electricity and Electric Telegraph. G. B. Prescott xi 116 



and Magnetism, Physical Treatise on. J. E. II. Gordon xviii 421 



in its Relations to Medicine and Surgery, Lecture on. A. D. Rock- 

 well xix 274 



