INDEX OF VOLUMES I TO XX. 101 



VOL. PAGE 



Eetrogression, Progression and. W. D. Gunning viii 180 



Reviewers, Replies to the Quarterly. Herbert Spencer iv 541 



Revivals and Religious Insanity (Misc.) viii 3S3 



Reynolds, Osborne. Raindrops on the Sea vi 732 



Rheumatism, Salicylic Acid in (Misc.) xii 248 



Rhine, A. H. Night-Schools in New York and Paris xvii 681 



Schools of America, Early Free xvi 663 



Rhinoceros, Fossil, in Siberia (Misc.) xv 573 



New Species of (Misc.) ii 380 



Rhinoscope, Laryngoscope and. F. Seeger xii 166 



Richardson, B. "W. Alcohol, Physiological Position of i 219 



Chloral and other Narcotics xv 491, 646 



Dress in Relation to Health xvii 182 



Euthanasia, Natural viii 617 



Health and Recreation xiv 780 



Passions, Diseases from Influence of viii 60 



Sleep, Physiology of i 4H 



Richet, 0. Chloroform xii 738 



Hysteria and Demonism xvii 86, 155, 377 



Opium and its Antidote xii 555 



Poisons of the Intelligence Hasheesh xiii 482 



Rigg, Arthur. Axes and Hatchets, Ancient and Modern ix 186 



Hammers and Percussion ix 11 



Tools, Concerning Mechanical x 173 



Riley, C. V. Grape-Vine Pest v 158 



Jiggers (Cor.) xix 845 



Phylloxera, The Grape v 1 



Potato-Beetle, The Colorado vii 704 



Rio Madeira, Valley of the (Misc.) vi 251 



Riordan, R. Telegraphy, Recent Advances in ix 71 



Ritter, Carl. Sketch of, with Portrait xvi 689 



River-Beds, Changes in (Misc.) iii 127, viii 122 



The Old, of Middle California (Misc.) xvi 858 



River Hydraulics. C. E. L. B. Davis (Cor.) vi 236 



Rivers, Fish- Lite and Pollution of (Misc.) vii 378 



Hydraulics of Great v 327 



Robin, Usefulness of the (Misc.) vi 124 



Value of the, to the Agriculturist (Misc.) xiv 251 



Robinet, M. G. Cemeteries and Health xix 657 



Robson, W. H. Fly, Development of the House- xv 618 



Rock-Crystals, Gathering (Misc.) x 383 



-Structure. J. M. Mello ix 426 



-"Weathering. A. Geikie xviii 654 



Rocks, Age of Metamorphic (Misc.) iv 509 



Chemistry of. C. C. Merriman iv 694 



Source of Organic Matter in Igneous (Misc.) xiv 688 



Rodents, Fossil and Living (Misc.) xx 423 



Rodriguez, Extinction of Animals in (Misc.) viii 252 



Rogers, William B. Sketch of, with Portrait ix 606 



Romanes, George J. Ants, Intelligence of xix 495, 816 



Conscience in Animals ix 80 



